{"title":"Laser Gems","description":"","products":[{"product_id":"faceted-cth-yag-gemstones","title":"CTH:YAG Faceted Loose Stones, Various cuts of green Laser Garnet gems","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThese are lab created green laser garnets, aka CTH YAG. Each cut stone can be purchased individually.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a classic laser gem, CTH YAG. Like normal Cr YAG (aka Christmas Garnet) it has a super rich green base color, but the addition of . This means the base color does not have to compete with a red glow and comes out even richer and purer, easily matching and exceeding any other green gem I have seen in color (and I don't say that lightly!).  It also has excellent brilliance, and with a hardness of 8.5 is great for use in all kinds of jewelry.\u003c\/p\u003e\n\u003cp\u003eCTH YAG is used in far infrared lasers for a variety of purposes including medical procedures and meteorological measurements.  Fortunately for us though it was designed for science when they grow crystals there are areas that are unusable, and we were able to get these offcuts to have made into gems.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"4 mm Round (Dark) ~0.35 ct","offer_id":51268875321632,"sku":"Gem_CTHdark_4mm","price":16.0,"currency_code":"USD","in_stock":true},{"title":"4 mm Round (Light) ~0.35 ct","offer_id":51268875354400,"sku":"Gem_CTHlite_4mm","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Pixel 4.7x3mm 0.45 ct","offer_id":51270454935840,"sku":"Gem_CTH_00520260225","price":22.0,"currency_code":"USD","in_stock":false},{"title":"Long Bar 11.5x4.2mm 2.13 ct","offer_id":51270455001376,"sku":"Gem_CTH_00720260225","price":76.0,"currency_code":"USD","in_stock":false},{"title":"Pixel 8.2x5.5mm 2.65 ct","offer_id":51270454968608,"sku":"Gem_CTH_00620260225","price":84.0,"currency_code":"USD","in_stock":false},{"title":"Fairy Round 8mm 3.5 ct","offer_id":51270455034144,"sku":"Gem_CTH_00820260225","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Oval 13.5x9.9mm 8.5 ct","offer_id":51270454804768,"sku":"Gem_CTH_00120260225","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Swirl 13.7x9.1mm 8.6 ct","offer_id":51270454837536,"sku":"Gem_CTH_00220260225","price":430.0,"currency_code":"USD","in_stock":true},{"title":"Wide Cushion 13x10mm 8.8 ct","offer_id":51270454870304,"sku":"Gem_CTH_00320260225","price":440.0,"currency_code":"USD","in_stock":true},{"title":"Oval 12.8x9.3mm 8.9 ct","offer_id":51270454903072,"sku":"Gem_CTH_00420260225","price":445.0,"currency_code":"USD","in_stock":true},{"title":"Rectangle, 8.2x6.4mm, 2.86ct","offer_id":51371256414496,"sku":"Gem_CTH_00920260225","price":99.0,"currency_code":"USD","in_stock":false},{"title":"Rectangle, 9.5x7mm, 4.16ct","offer_id":51371256447264,"sku":"Gem_CTH_01020260225","price":142.0,"currency_code":"USD","in_stock":false},{"title":"Super Long Bar, 27.5x3mm, 4.36ct","offer_id":51371256480032,"sku":"Gem_CTH_01120260225","price":149.0,"currency_code":"USD","in_stock":true},{"title":"Trillion, 10mm, 4.92ct","offer_id":51371256512800,"sku":"Gem_CTH_01220260225","price":167.0,"currency_code":"USD","in_stock":true},{"title":"Octagon, 9mm, 5.09ct","offer_id":51371256545568,"sku":"Gem_CTH_01320260225","price":173.0,"currency_code":"USD","in_stock":true},{"title":"Square, 8.7mm, 5.22ct","offer_id":51371256578336,"sku":"Gem_CTH_01420260225","price":177.0,"currency_code":"USD","in_stock":true},{"title":"Round, 9.5mm, 5.71ct","offer_id":51371256611104,"sku":"Gem_CTH_01520260225","price":193.0,"currency_code":"USD","in_stock":false},{"title":"Super Long Bar, 28.3x3.7mm, 5.71ct","offer_id":51371256643872,"sku":"Gem_CTH_01620260225","price":193.0,"currency_code":"USD","in_stock":true},{"title":"Fairy Round, 10mm, 6.43ct","offer_id":51371256676640,"sku":"Gem_CTH_01720260225","price":216.0,"currency_code":"USD","in_stock":true},{"title":"Rectangle, 10.5x8.5mm, 6.93ct","offer_id":51371256709408,"sku":"Gem_CTH_01820260225","price":232.0,"currency_code":"USD","in_stock":true},{"title":"Fairy Round, 10mm, 7.62ct","offer_id":51371256742176,"sku":"Gem_CTH_01920260225","price":253.0,"currency_code":"USD","in_stock":true},{"title":"Window Square, 6.7mm, 2.4ct","offer_id":51371256774944,"sku":"Gem_CTH_02020260225","price":83.0,"currency_code":"USD","in_stock":true},{"title":"Square, 5.5mm, 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9.9mm, 5.9ct","offer_id":51371257037088,"sku":"Gem_CTH_02820260225","price":199.0,"currency_code":"USD","in_stock":true},{"title":"Round, 10mm, 6.4ct","offer_id":51371257069856,"sku":"Gem_CTH_02920260225","price":215.0,"currency_code":"USD","in_stock":true},{"title":"Square, 8.8mm, 5.3ct","offer_id":51371257102624,"sku":"Gem_CTH_03020260225","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Square, 9mm, 5.7ct","offer_id":51371257135392,"sku":"Gem_CTH_03120260225","price":192.0,"currency_code":"USD","in_stock":true},{"title":"Trillion (Chipped), 9mm, 3.9ct","offer_id":51371257168160,"sku":"Gem_CTH_03220260225","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Pear, 11.7x7.7mm, 4ct","offer_id":51371257200928,"sku":"Gem_CTH_03320260225","price":137.0,"currency_code":"USD","in_stock":true},{"title":"Hexagon, 10mm, 6.8ct","offer_id":51371257233696,"sku":"Gem_CTH_03420260225","price":228.0,"currency_code":"USD","in_stock":true},{"title":"Hexagon, 10mm, 8ct","offer_id":51371257266464,"sku":"Gem_CTH_03520260225","price":265.0,"currency_code":"USD","in_stock":true},{"title":"Super Long Bar, 28x3.6mm, 4.5ct","offer_id":51371257299232,"sku":"Gem_CTH_03620260225","price":153.0,"currency_code":"USD","in_stock":true},{"title":"Super Long Bar, 27.5x4mm, 5.5ct","offer_id":51371257332000,"sku":"Gem_CTH_03720260225","price":186.0,"currency_code":"USD","in_stock":true},{"title":"Super Long Bar, 28.6x5.6mm, 9.3ct","offer_id":51371257364768,"sku":"Gem_CTH_03820260225","price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0002_2.jpg?v=1772078872"},{"product_id":"titanium-laser-sapphire-facet-rough-lab-created","title":"Titanium Laser Sapphire Facet Rough Lab Created Crystals","description":"\u003cp\u003eThese are pieces of pulled titanium sapphire, an unusual variety of sapphire grown for use in lasers with a padparascha-like orange-pink color (also called Ti:Sapphire or just Ti:Sapph). The stones are each labelled with their letter and weight and can be purchased individually.\u003c\/p\u003e\n\u003cp\u003eLooking for something with a deeper color? \u003ca href=\"https:\/\/store.turtleshoard.com\/products\/deep-color-titanium-laser-sapphire-facet-rough-lab-created-crystals-padparadscha\" title=\"vivid pink titanium sapphire\" rel=\"noopener\" target=\"_blank\"\u003eClick here for dark pink titanium sapphire\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWant a big piece? \u003ca href=\"https:\/\/store.turtleshoard.com\/products\/titanium-laser-sapphire-shards-chunks-and-display-pieces\" title=\"Bubbly Titanium Sapphire Chunks and Specimens\"\u003eClick here for titanium sapphire chunks and specimens!\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eThis is a very unusual variety of sapphire, colored solely by titanium. This is never found in nature or even in cheap flame fusion sapphire because it requires extreme chemical purity--even a hint of iron mixed in will result in a deep blue color. When it is made just right, however, the result is a bright, sort of padparascha-like pink color which shifts between a starburst pink and a more pink-orange depending on the lighting. We were able to get some leftover offcuts from a laser crystal grower--these were not produced for the gem trade but they make for incredible gems.\u003cbr\u003e\u003cbr\u003eThe color of these pieces varies because the rind has a darker slightly orange-red color which fades into a Starburst-pink color in the center. This gives a nice range of options. Some stones have a thin black rind which will need to be ground off, but it is very thin and tends to have the richest color right beneath it.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (shard)","offer_id":50835112329504,"sku":"Rgh_TiSaph_Shard","price":8.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":48711863599392,"sku":"Rgh_TiSaph_1g","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":48711863632160,"sku":"Rgh_TiSaph_2g","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48711863664928,"sku":"Rgh_TiSaph_3g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48711863697696,"sku":"Rgh_TiSaph_4g","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48711863730464,"sku":"Rgh_TiSaph_5g","price":92.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48711863763232,"sku":"Rgh_TiSaph_6g","price":107.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48711863796000,"sku":"Rgh_TiSaph_7g","price":122.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48711863828768,"sku":"Rgh_TiSaph_8g","price":137.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48711863861536,"sku":"Rgh_TiSaph_9g","price":152.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":48711863894304,"sku":"Rgh_TiSaph_10g","price":167.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6.9g","offer_id":50835133366560,"sku":"Rgh_TiSaph_001","price":90.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8g","offer_id":50835133333792,"sku":"Rgh_TiSaph_002","price":128.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9g","offer_id":50835133301024,"sku":"Rgh_TiSaph_003","price":144.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.1g","offer_id":50835123175712,"sku":"Rgh_TiSaph_004","price":193.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.7g","offer_id":50835133399328,"sku":"Rgh_TiSaph_005","price":203.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.8g","offer_id":50835133432096,"sku":"Rgh_TiSaph_006","price":204.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13g","offer_id":50835133464864,"sku":"Rgh_TiSaph_007","price":208.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.5g","offer_id":50835133497632,"sku":"Rgh_TiSaph_008","price":216.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.7g","offer_id":50835133530400,"sku":"Rgh_TiSaph_009","price":219.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15g","offer_id":50835133563168,"sku":"Rgh_TiSaph_010","price":240.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.2g","offer_id":50835123208480,"sku":"Rgh_TiSaph_011","price":243.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.6g","offer_id":50835123241248,"sku":"Rgh_TiSaph_012","price":249.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.0g","offer_id":50835123274016,"sku":"Rgh_TiSaph_013","price":256.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.7g","offer_id":50835133595936,"sku":"Rgh_TiSaph_014","price":267.0,"currency_code":"USD","in_stock":true},{"title":"1pc 17.6g","offer_id":50835133628704,"sku":"Rgh_TiSaph_015","price":281.0,"currency_code":"USD","in_stock":false},{"title":"1pc 18.8g","offer_id":50835123306784,"sku":"Rgh_TiSaph_016","price":300.0,"currency_code":"USD","in_stock":true},{"title":"1pc 19g","offer_id":50835133661472,"sku":"Rgh_TiSaph_017","price":304.0,"currency_code":"USD","in_stock":true},{"title":"1pc 34.7g","offer_id":50835133694240,"sku":"Rgh_TiSaph_018","price":485.0,"currency_code":"USD","in_stock":true},{"title":"1pc 42g","offer_id":50835133727008,"sku":"Rgh_TiSaph_019","price":588.0,"currency_code":"USD","in_stock":true},{"title":"1pc 44.g","offer_id":50835133759776,"sku":"Rgh_TiSaph_020","price":616.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0053.jpg?v=1692898115"},{"product_id":"nd-color-change-laser-garnet-loose-gems","title":"Pink Laser Garnet, Nd+ YAG in Violet, Pink and Peach","description":"\u003cp\u003e These are color change Nd+ laser garnets (Nd:YAG), which are light violet, pink or peach in normal lighting and turn a pale yellow under fluorescent illumination. Each individual stone is labelled with its carat weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is next-gen Nd+ laser YAG, a type of lab created garnet used widely in lasers.  The original Nd YAG has been used in lasers since 1964, but the old formula only contained Nd and was all the same shade of purple-pink.  This material is a newer, more advanced formulation with extra elements like Ce added to broaden the accepted wavelengths for lasing thus making the lasers more powerful, and these add another dimension to the color.  In natural light they vary from purple to pink to peach, and under fluorescent lighting they change to near colorless or a pale orange-yellow.  These stones have been compared to Mahenge garnets and pastel pyropes.\u003c\/p\u003e\n\u003cp\u003eNote this color change is the exact opposite of Holmium laser YAG, and if you pair the two you can do a neat color swap magic trick.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eWith a hardness of 8.5 it is ideal for use in all kinds of jewelry.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"violet \/ 3mm Round Cut (avg 0.15ct)","offer_id":49519814902048,"sku":"Gem_YAGNd_Viol_Rnd_3","price":8.0,"currency_code":"USD","in_stock":false},{"title":"violet \/ 4mm round Cut (avg 0.4ct)","offer_id":49519810871584,"sku":"Gem_YAGNd_Viol_Rnd_4","price":12.0,"currency_code":"USD","in_stock":true},{"title":"violet \/ 5mm Round Cut (avg 0.8ct)","offer_id":49519810937120,"sku":"Gem_YAGNd_Viol_Rnd_5","price":24.0,"currency_code":"USD","in_stock":true},{"title":"violet \/ 6mm Round Cut (avg. 1ct)","offer_id":49519811002656,"sku":"Gem_YAGNd_Viol_Rnd_6","price":30.0,"currency_code":"USD","in_stock":false},{"title":"violet \/ 7mm Round Cut (avg. 2ct)","offer_id":49519811035424,"sku":"Gem_YAGNd_Viol_Rnd_7","price":60.0,"currency_code":"USD","in_stock":true},{"title":"violet \/ 8mm Round Cut (avg. 3ct)","offer_id":49519811068192,"sku":"Gem_YAGNd_Viol_Rnd_8","price":90.0,"currency_code":"USD","in_stock":false},{"title":"violet \/ 9mm Round Cut (avg. 3.6ct)","offer_id":49519814934816,"sku":"Gem_YAGNd_Viol_Rnd_9","price":108.0,"currency_code":"USD","in_stock":false},{"title":"violet \/ 10mm Round Cut (avg. 5.1ct)","offer_id":49519814967584,"sku":"Gem_YAGNd_Viol_Rnd_10","price":153.0,"currency_code":"USD","in_stock":true},{"title":"violet \/ 6ct Hexagon Cut 9.7mm","offer_id":49519811559712,"sku":"Gem_YAGNd_Viol_Hex_","price":180.0,"currency_code":"USD","in_stock":false},{"title":"violet \/ 5.8ct Hexagon Cut 9.6mm","offer_id":49519811658016,"sku":"Faceted_YAGNd","price":174.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 3mm Round Cut (avg 0.15ct)","offer_id":49519815000352,"sku":"Gem_YAGNd_Pink_Rnd_3","price":7.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 4mm round Cut (avg 0.4ct)","offer_id":48337453613344,"sku":"Gem_YAGNd_Pink_Rnd_4","price":12.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 5mm Round Cut (avg 0.8ct)","offer_id":48337412227360,"sku":"Gem_YAGNd_Pink_Rnd_5","price":24.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 6mm Round Cut (avg. 1ct)","offer_id":48337411342624,"sku":"Gem_YAGNd_Pink_Rnd_6","price":30.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 7mm Round Cut (avg. 2ct)","offer_id":48337401348384,"sku":"Gem_YAGNd_Pink_Rnd_7","price":60.0,"currency_code":"USD","in_stock":true},{"title":"Pink \/ 8mm Round Cut (avg. 3ct)","offer_id":48337399906592,"sku":"Gem_YAGNd_Pink_Rnd_8","price":90.0,"currency_code":"USD","in_stock":false},{"title":"Pink \/ 9mm Round Cut (avg. 3.6ct)","offer_id":49519815033120,"sku":"Gem_YAGNd_Pink_Rnd_9","price":108.0,"currency_code":"USD","in_stock":true},{"title":"Pink \/ 10mm Round Cut (avg. 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9.6mm","offer_id":49519812509984,"sku":"Faceted_YAGNd","price":174.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0117copy.jpg?v=1693341635"},{"product_id":"titanium-laser-sapphire-cut-stones-lab-created-gems","title":"Calibrated Titanium Laser Sapphires, Clean and Bubbly \"Strawberry\" Sapphires","description":"\u003cp\u003eThese are faceted titanium sapphires, an unusual variety of lab created sapphire grown for use in lasers with a padparascha-like orange-pink color (also called Ti:Sapphire or just Ti:Sapph). Some have bubble inclusions, we call these 'strawberry sapphires' since they have seeds.\u003cbr\u003e\u003cbr\u003eThis is a very unusual variety of sapphire, colored solely by titanium. This is never found in nature or even in cheap flame fusion sapphire because it requires extreme chemical purity--even a hint of iron mixed in will result in a deep blue color. When it is made just right, however, the result is a bright, sort of padparascha-like pink color which shifts between a starburst pink and a more pink-orange depending on the lighting. We were able to get some leftover offcuts from a laser crystal grower--these were not produced for the gem trade but they make for incredible gems.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e0923\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Bubbly \/ 4mm Round (~0.3 ct)","offer_id":50871283450144,"sku":"Gem_SphTiBub_Rnd_4","price":14.0,"currency_code":"USD","in_stock":false},{"title":"Bubbly \/ 5mm Round (~0.6 ct)","offer_id":50871286825248,"sku":"Gem_SphTiBub_Rnd_5","price":20.0,"currency_code":"USD","in_stock":true},{"title":"Bubbly \/ 6mm Round (~1 ct)","offer_id":50871294689568,"sku":"Gem_SphTiBub_Rnd_6","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Bubbly \/ 7mm Round (~1.6ct)","offer_id":46716205891872,"sku":"Gem_SphTiBub_Rnd_7","price":45.0,"currency_code":"USD","in_stock":false},{"title":"Bubbly \/ 9mm Round (~3.5 ct)","offer_id":50871305404704,"sku":"Gem_SphTiBub_Rnd_9","price":98.0,"currency_code":"USD","in_stock":true},{"title":"Bubbly \/ 10mm Round (~4.6 ct)","offer_id":50871323558176,"sku":"Gem_SphTiBub_Rnd_10","price":135.0,"currency_code":"USD","in_stock":false},{"title":"Clean \/ 4mm Round (~0.3 ct)","offer_id":50871283482912,"sku":"Gem_SphTiCln_Rnd_4","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Clean \/ 5mm Round (~0.6 ct)","offer_id":50871286858016,"sku":"Gem_SphTiCln_Rnd_5","price":20.0,"currency_code":"USD","in_stock":true},{"title":"Clean \/ 6mm Round (~1 ct)","offer_id":50871294722336,"sku":"Gem_SphTiCln_Rnd_6","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Clean \/ 7mm Round (~1.6ct)","offer_id":50871283155232,"sku":"Gem_SphTiCln_Rnd_7","price":45.0,"currency_code":"USD","in_stock":false},{"title":"Clean \/ 9mm Round (~3.5 ct)","offer_id":50871305437472,"sku":"Gem_SphTiCln_Rnd_9","price":98.0,"currency_code":"USD","in_stock":true},{"title":"Clean \/ 10mm Round (~4.6 ct)","offer_id":50871323590944,"sku":"Gem_SphTiCln_Rnd_10","price":135.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/titaniumsapphire.jpg?v=1701388152"},{"product_id":"pink-laser-garnet-facet-rough-nd-ce-yag","title":"Pink Laser Garnet Facet Rough, Nd+Ce YAG","description":"\u003cp\u003eThese are lab created purple-pink to peach laser garnet facet rough.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a very cool gem, a type of lab-created garnet grown for use in lasers, Neodymium+Cerium YAG (Yttrium Aluminum Garnet).  It has the same structure as a natural garnet but a composition which could never occur in nature, allowing it to have a higher hardness (8.25) and greater brilliance.  This a next-gen version of the old classic Nd:YAG, adding additional cerium as a booster.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG with neodymium has long been used as a laser material, and that basic formula makes a pink to purple stone which turns colorless under fluorescent illumination. These stones, however, are a more refined variety, with other metals such as cerium added to make the laser more powerful. The result is a much more interesting color which varies from purple to pink to peach, color shifts under sunlight and different temperature LEDs and turns light yellow under fluorescent illumination. This gives a very unusual and unique look which has been exciting faceters recently and leading to a lot of comparisons to mahenge or malaya garnets.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG is an excellent material to facet, incredibly easy to cut and polish and with a high hardness of 8.25-8.5, an RI of 1.83 and good dispersion which makes for very lively stones even before the color factors in. It is suitable for use in all kinds of jewelry.\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e0923\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc 1-2g","offer_id":46839227875616,"sku":"Rough_YAG_NdCe_1g","price":8.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":46839450992928,"sku":"Rough_YAG_NdCe_2g","price":12.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":46839538385184,"sku":"Rough_YAG_NdCe_3g","price":16.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":46839538417952,"sku":"Rough_YAG_NdCe_4g","price":20.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":46839538450720,"sku":"Rough_YAG_NdCe_5g","price":24.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":50690634809632,"sku":"Rough_YAG_NdCe_6g","price":28.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":50690634842400,"sku":"Rough_YAG_NdCe_7g","price":32.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":50907930034464,"sku":"Rough_YAG_NdCe_8g","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":50907930067232,"sku":"Rough_YAG_NdCe_9g","price":40.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":50907930100000,"sku":"Rough_YAG_NdCe_10g","price":44.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3.3g","offer_id":50701846216992,"sku":"Rough_YAG_NdCe_001","price":19.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4.3g","offer_id":50701846249760,"sku":"Rough_YAG_NdCe_002","price":25.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4.5g","offer_id":50701846282528,"sku":"Rough_YAG_NdCe_003","price":27.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4.6g","offer_id":50701846315296,"sku":"Rough_YAG_NdCe_004","price":27.0,"currency_code":"USD","in_stock":false},{"title":"1pc 5g","offer_id":50701846348064,"sku":"Rough_YAG_NdCe_005","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5.5g","offer_id":50701846380832,"sku":"Rough_YAG_NdCe_006","price":33.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6.7g","offer_id":50701846413600,"sku":"Rough_YAG_NdCe_007","price":40.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8.7g","offer_id":50701846446368,"sku":"Rough_YAG_NdCe_008","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.8g","offer_id":50701846479136,"sku":"Rough_YAG_NdCe_009","price":58.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.8g B","offer_id":50701859356960,"sku":"Rough_YAG_NdCe_010","price":58.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11.7g","offer_id":50701846511904,"sku":"Rough_YAG_NdCe_011","price":70.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.6g","offer_id":50701846544672,"sku":"Rough_YAG_NdCe_012","price":93.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.9g","offer_id":50701846577440,"sku":"Rough_YAG_NdCe_013","price":95.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.1g","offer_id":50701846610208,"sku":"Rough_YAG_NdCe_014","price":96.0,"currency_code":"USD","in_stock":true},{"title":"1pc 17.5g","offer_id":50701846642976,"sku":"Rough_YAG_NdCe_015","price":105.0,"currency_code":"USD","in_stock":true},{"title":"1pc 21.1g","offer_id":50701846675744,"sku":"Rough_YAG_NdCe_016","price":126.0,"currency_code":"USD","in_stock":true},{"title":"1pc 23.5g","offer_id":50701846708512,"sku":"Rough_YAG_NdCe_017","price":141.0,"currency_code":"USD","in_stock":true},{"title":"1pc 26.3g","offer_id":50701846741280,"sku":"Rough_YAG_NdCe_018","price":157.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0004_1.jpg?v=1695875124"},{"product_id":"golden-laser-garnet-facet-rough-ce-nd-yag","title":"Golden Laser Garnet Facet Rough, Ce+Nd YAG","description":"\u003cp\u003eThese are lab created golden laser garnet aka Ce+Nd YAG (Yttrium Aluminum Garnet) facet rough.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is an unusual synthetic material, YAG doped with both Ce and Nd. While Nd YAG is one of the most classic laser materials and has been widely used for numerous applications since the 60s the formula has been tinkered with over the years to optimize it even further. In particular cerium can act as a booster to the neodymium, and depending on the balance and the possible presence of other elements the color varies dramatically. In this version the YAG has actually mostly been doped with Cerium and just a pinch of neodymium.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCe alone gives YAG an ultra bright yellow color, and Nd alone gives a purple shifting color. Together they give the stone a striking yellow to amber color which shifts between more orange and more yellow from light source to light source. They also show a striking yellow and pink fluorescence. Pink fluorescence like this is a very unusual feature--it only shows up under a blacklight but still makes for an interesting addition to the gem. Some of these stones have zones of pink fluorescence combined with yellow, others just show a brighter yellow.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG has an RI of 1.83, hardness of 8.5 and cuts and polishes very easily. It is ideal for all jewelry applications. This is a great stone for beginners who want an uncomplicated cut or advanced cutters who want to show off their skills.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e0923\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Sub 1g piece (crumb)","offer_id":48362130833696,"sku":"Rgh_Yag_CeNd_Sub1g","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":46840031904032,"sku":"Rgh_Yag_CeNd_1g","price":6.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":46840031969568,"sku":"Rgh_Yag_CeNd_2g","price":12.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":46840032002336,"sku":"Rgh_Yag_CeNd_3g","price":18.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":46840032035104,"sku":"Rgh_Yag_CeNd_4g","price":24.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":46840032067872,"sku":"Rgh_Yag_CeNd_5g","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":46840032100640,"sku":"Rgh_Yag_CeNd_6g","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":50697610690848,"sku":"Rgh_Yag_CeNd_7g","price":40.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":50697610723616,"sku":"Rgh_Yag_CeNd_8g","price":46.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":50697610756384,"sku":"Rgh_Yag_CeNd_9g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":50697610789152,"sku":"Rgh_Yag_CeNd_10g","price":58.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11-12g","offer_id":50697610821920,"sku":"Rgh_Yag_CeNd_11g","price":64.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12-13g","offer_id":50697610854688,"sku":"Rgh_Yag_CeNd_12g","price":70.0,"currency_code":"USD","in_stock":false},{"title":"E 9.2g","offer_id":46840032231712,"sku":"Rgh_Yag_CeNd_001","price":46.0,"currency_code":"USD","in_stock":true},{"title":"L 13.1g","offer_id":46840032461088,"sku":"Rgh_Yag_CeNd_002","price":65.0,"currency_code":"USD","in_stock":true},{"title":"M 13.5g","offer_id":46840032493856,"sku":"Rgh_Yag_CeNd_003","price":67.0,"currency_code":"USD","in_stock":true},{"title":"S 26.3g","offer_id":46840032690464,"sku":"Rgh_Yag_CeNd_004","price":105.0,"currency_code":"USD","in_stock":true},{"title":"T 28.6g","offer_id":46840032723232,"sku":"Rgh_Yag_CeNd_005","price":110.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0001_1copy.jpg?v=1695878010"},{"product_id":"zombie-green-laser-garnet-facet-rough-ce-yag","title":"Zombie Garnet, Green Laser Garnet Facet Rough, Ce+?? YAG","description":"\u003cp\u003eThis is 'zombie' garnet, a type of lab-created YAG laser garnet whose composition I do not precisely know.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is an weird one, YAG doped with cerium and...something else?  This material was sold to us as chromium YAG sight unseen, but when we got it in it was clear it was not normal chromium YAG.  The variable yellow color and fluorescence all but guarantee it contains cerium, but the unusual green hue is very odd.  It may be a combination of cerium and chromium, or maybe a valence thing, or uh.  I don't know.  The result is a very strange look, a swampy yellow-green with an odd glow that makes it look almost opaque in some lighting.\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG has an RI of 1.83, hardness of 8.5 and cuts and polishes very easily. It is ideal for all jewelry applications. This is a great stone for beginners who want an uncomplicated cut or advanced cutters who want to show off their skills.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g Shard","offer_id":50805873246496,"sku":"Rgh_Zomb_Shard","price":6.0,"currency_code":"USD","in_stock":true},{"title":"1pc 1-2g Rough","offer_id":49026341142816,"sku":"Rgh_Zomb_1g","price":12.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g Rough","offer_id":47820587925792,"sku":"Rgh_Zomb_2g","price":20.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g Rough","offer_id":47820587958560,"sku":"Rgh_Zomb_3g","price":28.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g Rough","offer_id":47820587991328,"sku":"Rgh_Zomb_4g","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g Rough","offer_id":49026341175584,"sku":"Rgh_Zomb_5g","price":44.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g Rough","offer_id":49026341208352,"sku":"Rgh_Zomb_6g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g Rough","offer_id":49026341241120,"sku":"Rgh_Zomb_7g","price":60.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g Rough","offer_id":49026341273888,"sku":"Rgh_Zomb_8g","price":68.0,"currency_code":"USD","in_stock":false},{"title":"1pc 9-10g Rough","offer_id":49026341306656,"sku":"Rgh_Zomb_9g","price":76.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g Rough","offer_id":49026341339424,"sku":"Rgh_Zomb_10g","price":84.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11-12g Rough","offer_id":49026341372192,"sku":"Rgh_Zomb_11g","price":92.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g Rough Tip","offer_id":50805873574176,"sku":"Rgh_Zomb_1gTip","price":15.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g Rough Tip","offer_id":50805873606944,"sku":"Rgh_Zomb_2gTip","price":23.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g Rough Tip","offer_id":50805873639712,"sku":"Rgh_Zomb_3gTip","price":31.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g Rough Tip","offer_id":50805873672480,"sku":"Rgh_Zomb_4gTip","price":39.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g Rough Tip","offer_id":50805873705248,"sku":"Rgh_Zomb_5gTip","price":47.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6.3g","offer_id":50805874295072,"sku":"Rgh_Zomb_001","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11.7g","offer_id":50805874327840,"sku":"Rgh_Zomb_002","price":93.0,"currency_code":"USD","in_stock":true},{"title":"1pc 20.3g","offer_id":50805874360608,"sku":"Rgh_Zomb_003","price":162.0,"currency_code":"USD","in_stock":true},{"title":"1pc 37.6g","offer_id":50805874393376,"sku":"Rgh_Zomb_004","price":280.0,"currency_code":"USD","in_stock":true},{"title":"1pc 78.7g","offer_id":50805874426144,"sku":"Rgh_Zomb_005","price":490.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.1g","offer_id":50805874458912,"sku":"Rgh_Zomb_006","price":72.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.2g A","offer_id":50805874491680,"sku":"Rgh_Zomb_007","price":73.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.2g B","offer_id":50805874524448,"sku":"Rgh_Zomb_008","price":73.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.3g","offer_id":50805874557216,"sku":"Rgh_Zomb_009","price":74.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10.2g","offer_id":50805874589984,"sku":"Rgh_Zomb_010","price":81.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10.6g","offer_id":50805874622752,"sku":"Rgh_Zomb_011","price":84.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11.2g","offer_id":50805874655520,"sku":"Rgh_Zomb_012","price":89.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11.4g","offer_id":50805874688288,"sku":"Rgh_Zomb_013","price":91.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.1g","offer_id":50805874721056,"sku":"Rgh_Zomb_014","price":96.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.4g","offer_id":50805874753824,"sku":"Rgh_Zomb_015","price":107.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0018copy.jpg?v=1696102096"},{"product_id":"golden-laser-garnet-faceted-stones-nd-ce-yag","title":"Golden Laser Garnet Faceted Stones, Nd+Ce YAG","description":"\u003cp\u003eThese are faceted golden laser garnets (Ce+Nd Yttrium Aluminum Garnet).  Some fluoresce pink and others fluoresce green-yellow, all have a rich golden-yellow base color that shifts depending on the illumination.\u003c\/p\u003e\n\u003cp\u003eWe have a special on 10mm stones with light chipping--they were shipped without appropriate paddingt \u003cbr\u003e\u003cbr\u003eThis is an unusual lab created garnet, YAG doped with both cerium and neodymium. Neodymium makes YAG a versatile laser crystal, and Nd YAG lasers are the most versatile and widely-used. While the original Nd YAG lasers only added Nd it was soon discovered that Ce could act as a booster to its power. This means that depending on the application you might see crystals that only have Nd or ones that are almost entirely Ce with just a pinch of Nd. Fortunately for us only the middle portion of the garnet crystals can be used for lasers and we were able to buy some of the unused tops to repurpose as gems.\u003cbr\u003e\u003cbr\u003ePure Nd gives a color shifting purple-pink color while pure Ce gives a rich fluorescent yellow color--when the two are mixed you get an unusual golden yellow color that shifts depending on the lighting. 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garnet is one of our top materials.  This type of YAG has had chromium added to the mix, the same element that gives green color to emeralds and red base color and fluorescence to ruby. Christmas garnet gets one of each: the rich green base of an emerald and the strong red fluorescence of a ruby. Depending in the light source, angle and path length you might see the green base color or the red fluorescence at any given point in the stone. The camera overstates the red vs the eye and struggles to capture the green, and in the hand the stone is even cooler than the photos can show. Faceted stones have flashes of green and red and change colors based on lighting and background color. We call them \"christmas garnets\" because of their unique blend of red and green.\u003c\/p\u003e\n\u003cp\u003eThis is one of our most popular materials and cuts amazing gems. Even normal undoped YAG is an amazing material - not only is it easy to cut, but it also has a high hardness (8.25-8.5), a solid RI (1.83), and good dispersion.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc Under 1g (crumb)","offer_id":49968830382368,"sku":"Rough_Xmas_Crumb","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc Flat Q Switch Plate (av 1.2 g)","offer_id":49968830415136,"sku":"Rough_Xmas_Plate","price":14.0,"currency_code":"USD","in_stock":true},{"title":"1pc 1-2g","offer_id":47693190070560,"sku":"Rough_Xmas_1","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":47066853048608,"sku":"Rough_Xmas_2","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48023487938848,"sku":"Rough_Xmas_3","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48023487971616,"sku":"Rough_Xmas_4","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48023488004384,"sku":"Rough_Xmas_5","price":82.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48023488069920,"sku":"Rough_Xmas_6","price":97.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48023488102688,"sku":"Rough_Xmas_7","price":112.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48023488135456,"sku":"Rough_Xmas_8","price":127.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48023488168224,"sku":"Rough_Xmas_9","price":142.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":49968829661472,"sku":"Rough_Xmas_10","price":157.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11-12g","offer_id":49968829694240,"sku":"Rough_Xmas_11","price":172.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/roughdual.jpg?v=1741565907"},{"product_id":"laser-rod-alexandrite-facet-rough-lab-created-crystals","title":"Laser Rod Alexandrite Facet Rough Lab Created Crystals","description":"\u003cp\u003eThese are genuine, lab-created alexandrite facet rough.  These pieces were sawn from laser rods, either during initial production or refurbishment efforts (don't worry, no laser-grade rods were harmed in the making of this rough!)\u003cbr\u003e\u003cbr\u003eWe recently got our hands on a few decommissioned rods of alexandrite from lasers! These rods likely lived out a full career inside lasers as a crystalline lasing medium, but eventually they were pushed too far or had dust land in the wrong spot and the ends blew off, rendering them inoperable.  In these cases the rods can sometimes be sawn and repolished, leaving pieces that are now usable for gems.  These may have also been removed during the initial production of the laser rods before they were used.  Either way, now they get to live out their retirement as gemstones! While they may have been designed for science they make amazing gems as well. They have a strong color change from blue-green to purple-pink and better yet often show flashes of both in mixed lighting when cut--the camera struggles to capture this, especially the green colors. 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These rods likely lived out a full career inside lasers as their lasing medium, but eventually they were pushed too far and the ends blew off, rendering them inoperable--sometimes to salvage rods they can saw off ends and then repolish them, leaving behind orphaned alexandrite which we acquired for gem usage. Now they get to live out their retirement as gemstones! While they may have been designed for science they make amazing gems as well. They have a strong color change from blue-green to purple-pink and better yet often show flashes of both in mixed lighting. On top of that they also show rich red fluorescence which affects their color, and the angle of lighting will also cause differences in color because this material is strongly trichroic.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eAlexandrite is the color-changing chromium-bearing variety of chrysoberyl, and it has been a popular gem since the first natural deposits were discovered in Russia. 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Usually instead lab-created sapphire with a color change effect was sold as alexandrite, but that material really can't hold a candle to alexandrite.\u003cbr\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"3mm Round Cut avg. 0.13ct","offer_id":47179282448672,"sku":"Gem_AlexRod_Rnd_3","price":15.0,"currency_code":"USD","in_stock":false},{"title":"4mm Round Cut avg. 0.3ct","offer_id":50999919247648,"sku":"Gem_AlexRod_Rnd_4","price":25.0,"currency_code":"USD","in_stock":false},{"title":"5mm Round Cut avg. 0.55ct","offer_id":50999919280416,"sku":"Gem_AlexRod_Rnd_5","price":35.0,"currency_code":"USD","in_stock":false},{"title":"6mm Round Cut avg. 0.95ct","offer_id":50999919313184,"sku":"Gem_AlexRod_Rnd_6","price":57.0,"currency_code":"USD","in_stock":false},{"title":"7mm Round Cut avg. 1.5ct","offer_id":50999919345952,"sku":"Gem_AlexRod_Rnd_7","price":90.0,"currency_code":"USD","in_stock":false},{"title":"8mm Round Cut avg. 2.2ct","offer_id":50999919378720,"sku":"Gem_AlexRod_Rnd_8","price":132.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/frontcopy_3158a750-bc38-4912-a061-84a14024bddd.jpg?v=1764684403"},{"product_id":"tgg-lab-garnets-rare-lab-garnet-from-high-tech-lasers","title":"TGG Lab Garnets, Rare Lab Garnet from High Tech Lasers","description":"\u003cp\u003e\u003cspan\u003eThese are faceted terbium gallium garnet aka TGG. Each is labelled with its carat weight and letter in the photo and they can be purchased individually.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTGG is a very cool synthetic material. It has the same structure as a natural garnet, but has a composition that would never be possible in nature. The result is a bright and very dispersive gem with optical properties similar to diamond (cubic crystal structure with a lower RI but the same dispersion as diamond), giving it incredible brilliance and fire. It is not, however, grown for gem usage at all, but because of its incredible ability to act as a Faraday rotator. Light passing through TGG in the presence of a magnetic field has its polarization rotated, which might not sound that interesting but is incredible useful for lasers. Lasers shoot out powerful beams but are very fragile, and if any of the light bounces back at them it can quickly burn them out. With TGG it is possible to make a high-efficiency optical isolator that prevents any of that sort of backsplash. This is likely the first time it has ever been faceted as a gem, and if not it is close.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIt also has bright green fluorescence under 365nm UV!\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWith a hardness of about 8 on the Moh's scale it is also an excellent material for use in jewelry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Round 2.9 ct","offer_id":51036566618400,"sku":"Cut_TGG_00120251109","price":114.0,"currency_code":"USD","in_stock":false},{"title":"Trillion 3.1 ct","offer_id":51036566651168,"sku":"Cut_TGG_00220251109","price":121.0,"currency_code":"USD","in_stock":false},{"title":"Square 3.1 ct","offer_id":51036566683936,"sku":"Cut_TGG_00320251109","price":121.0,"currency_code":"USD","in_stock":false},{"title":"Trillion 3.19 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collection, a 40-year-old failed experimental laser garnet from the Soviet Union. It is clearly doped with Erbium, and like our modern pure Er:YAG it has a striking combination of orange and pink colors and a remarkable color change. Unlike pure Er:YAG it has a stronger pink component, suggesting the addition of another dopant like Nd, and the color is also somewhat lighter as well. Most of the material was grown via HDSM aka the 'boat method', which was favored in the Soviet Union for most non-quartz growth, though a few pieces were clearly Czochralski pulled. From doing further reading we learned that the inventor of the HDSM method, Bagdasarov, was a soviet scientist and was working on erbium yag laser material in the 80s, so it all seems to check out.  Codoping Nd and Er can apparently produce a laser with a dual wavelength output which is incredibly useful so it all kind of checks out.  We even have a good guess as to why this material didn't make the cut for scientific use--aside from the variable base color some larger pieces show noticeable color zoning which means the codopants were not evenly mixed, which is not great if you want to make a laser.  While material intended for gem usage was also grown in these labs it would be odd to mix these two elements for that purpose and odder yet to then discard perfectly gem-quality material, so while we don't have perfect provenance the available information seems to match what the seller told us.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eOverall, it's a really cool material, and while I'm sure they were frustrated by the production problems their loss is our gain. This cuts amazing gems with a rich peachy-pink color-changing padparascha-like color. It also isn't one of those color changes that you might kind of see if you use a special flashlight or a lighter flame--the change is easily visible under real world lighting conditions and the stones look different throughout your daily routine.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eWith a hardness of 8.5 it is ideal for use in jewelry.\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"2mm Round","offer_id":49519919235360,"sku":"Gem_ErNd_Round_2","price":6.0,"currency_code":"USD","in_stock":true},{"title":"3mm Round (avg. 0.15ct)","offer_id":49519919268128,"sku":"Gem_ErNd_Round_3","price":8.0,"currency_code":"USD","in_stock":true},{"title":"4mm Round (avg. 0.4ct)","offer_id":47274257187104,"sku":"Gem_ErNd_Round_4","price":14.0,"currency_code":"USD","in_stock":true},{"title":"5mm Round (avg. 0.8ct)","offer_id":47274257252640,"sku":"Gem_ErNd_Round_5","price":28.0,"currency_code":"USD","in_stock":true},{"title":"6mm Round (avg. 1ct)","offer_id":49519940534560,"sku":"Gem_ErNd_Round_6","price":35.0,"currency_code":"USD","in_stock":true},{"title":"7mm Round (avg. 2ct)","offer_id":49519940567328,"sku":"Gem_ErNd_Round_7","price":70.0,"currency_code":"USD","in_stock":true},{"title":"8mm Round (avg. 2.6ct)","offer_id":47274257285408,"sku":"Gem_ErNd_Round_8","price":91.0,"currency_code":"USD","in_stock":true},{"title":"9mm Round (avg. 3.6ct)","offer_id":49519940600096,"sku":"Gem_ErNd_Round_9","price":126.0,"currency_code":"USD","in_stock":true},{"title":"10mm Round (avg. 5.1ct)","offer_id":49519940632864,"sku":"Gem_ErNd_Round_10","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0064_1b58d8b7-8105-4baa-b88e-7f8f6fe1fac6.jpg?v=1760682478"},{"product_id":"laser-alexandrite-facet-rough-lab-created-crystals","title":"Laser Alexandrite Facet Rough Lab Created Crystals","description":"\u003cp\u003eThese are genuine, lab-created alexandrite facet rough, either sawn from the unusable parts of crystals grown for laser usage.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a rarity in the gem world, synthetic alexandrite. Alexandrite is the color-changing chromium-bearing variety of chrysoberyl, and it has been a popular gem since the first natural deposits were discovered in Russia. Its high hardness (8.5) and durability, combined with its incredible combination of colors, have made it a classic.  The only limiting factor is its rarity which has kept it more obscure than gems like ruby and sapphire. Even lab-created alexandrite is quite uncommon. Synthetic alexandrite is mostly grown for industry, where it is used in some particular high-end laser systems, and the process to grow it is very expensive. Little is produced anymore, and even when it was produced it was uncommon on the gem market. Usually instead lab-created sapphire with a color change effect was sold as alexandrite, but that material is honestly boring compared to the real deal.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eReal synthetic alexandrite has a range of weird properties. It is trichroic, with three different colors visible depending on how the stone is oriented which also change depending on the lighting. These include green, red, purple and blue, and a well cut stone might show flashes of all of them in the right mix of lights. The material we have is also strongly fluorescent with a red glow which adds on top of the other colors. My camera struggles to capture the color change but it is very striking, even changing between direct sunlight and clouded sunlight.\u003cbr\u003e\u003cbr\u003eAlexandrite is the color-changing chromium-bearing variety of chrysoberyl, and it has been a popular gem since the first natural deposits were discovered in Russia. Its high hardness (8.5) and durability make it suitable even for ring wear, and that along with its incredible combination of colors has made it a classic. The only thing holding it back is its rarity. Oddly enough even lab-created alexandrite is quite uncommon. 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is a new material for us from an old collection, a 40-year-old failed experimental laser garnet from the Soviet Union. It is clearly doped with Erbium, and like our modern pure Er:YAG it has a striking combination of orange and pink colors and a remarkable color change. Unlike pure Er:YAG it has a stronger pink component, suggesting the addition of another dopant like Nd, and the color is also somewhat lighter as well. Most of the material was grown via HDSM aka the 'boat method', though a few pieces were clearly czochralski pulled. From doing further reading we learned that the inventor of the HDSM method was a soviet scientist and was working on erbium yag laser material in the 80s. Codoping Nd and Er can produce a laser with a dual wavelength output as well, so that was likely the reason they grew it.  We even have a good guess as to why this material didn't make the cut--aside from the variable base color some larger pieces show noticeable color zoning which means the codopants were not evenly mixed, which is not great if you want to make a laser.\u003cbr\u003e\u003cbr\u003eOverall, it's a really cool material, and while I'm sure they were frustrated by the production problems their loss is our gain. This cuts amazing gems with a rich peachy-pink color-changing padparascha-like color. It also isn't one of those color changes that you might kind of see if you use a special flashlight or a lighter flame--the change is easily visible under real world lighting conditions and the stones look different throughout your daily routine.\u003cbr\u003e\u003cbr\u003eYAG in general is an ideal material for faceting, which a high hardness of 8.5, no cleavage, no problems with polishing and excellent optical properties with an RI of 1.82. It is considered one of the easiest materials to facet.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (crumb)","offer_id":49968871375136,"sku":"Rough_YAGErNd_Crumb","price":8.0,"currency_code":"USD","in_stock":true},{"title":"1-2g rough","offer_id":47772023816480,"sku":"Rough_YAGErNd_1","price":16.0,"currency_code":"USD","in_stock":true},{"title":"2-3g rough","offer_id":47772118384928,"sku":"Rough_YAGErNd_2","price":25.0,"currency_code":"USD","in_stock":true},{"title":"3-4g rough","offer_id":47772118417696,"sku":"Rough_YAGErNd_3","price":34.0,"currency_code":"USD","in_stock":true},{"title":"4-5g rough","offer_id":47772118450464,"sku":"Rough_YAGErNd_4","price":43.0,"currency_code":"USD","in_stock":true},{"title":"5-6g rough","offer_id":47772118483232,"sku":"Rough_YAGErNd_5","price":51.0,"currency_code":"USD","in_stock":true},{"title":"6-7g rough","offer_id":47772118516000,"sku":"Rough_YAGErNd_6","price":58.0,"currency_code":"USD","in_stock":true},{"title":"7-8g rough","offer_id":47772118548768,"sku":"Rough_YAGErNd_7","price":65.0,"currency_code":"USD","in_stock":true},{"title":"8-9g rough","offer_id":47772118581536,"sku":"Rough_YAGErNd_8","price":72.0,"currency_code":"USD","in_stock":true},{"title":"9-10g rough","offer_id":47772118614304,"sku":"Rough_YAGErNd_9","price":78.0,"currency_code":"USD","in_stock":true},{"title":"10-11g rough","offer_id":47772118647072,"sku":"Rough_YAGErNd_10","price":84.0,"currency_code":"USD","in_stock":true},{"title":"11-12g rough","offer_id":47772147613984,"sku":"Rough_YAGErNd_11","price":92.0,"currency_code":"USD","in_stock":true},{"title":"12-13g rough","offer_id":47772147646752,"sku":"Rough_YAGErNd_12","price":100.0,"currency_code":"USD","in_stock":true},{"title":"13-14g rough","offer_id":49968866132256,"sku":"Rough_YAGErNd_13","price":108.0,"currency_code":"USD","in_stock":true},{"title":"Individual Piece, 14.7×14.2×13.6mm, 11.58g","offer_id":51423369494816,"sku":"Piece, 14.7×14.2×13.6mm, 11.58g","price":94.0,"currency_code":"USD","in_stock":false},{"title":"Individual Piece, 16.6×15.3×10.2mm, 10.99g","offer_id":51423369527584,"sku":"Piece, 16.6×15.3×10.2mm, 10.99g","price":89.0,"currency_code":"USD","in_stock":false},{"title":"Individual Piece, 13.8×13.2×13.2mm, 10.67g","offer_id":51423369560352,"sku":"Piece, 13.8×13.2×13.2mm, 10.67g","price":86.0,"currency_code":"USD","in_stock":false},{"title":"Individual Piece, 17.1×15.6×13.3mm, 14.19g","offer_id":51423369593120,"sku":"Piece, 17.1×15.6×13.3mm, 14.19g","price":115.0,"currency_code":"USD","in_stock":false},{"title":"Individual Piece, 18.8×15.1×11.1mm, 13.37g","offer_id":51423369625888,"sku":"Piece, 18.8×15.1×11.1mm, 13.37g","price":108.0,"currency_code":"USD","in_stock":false},{"title":"Individual Piece, 22.2×21.9×21.4mm, 42.01g","offer_id":51423369658656,"sku":"Piece, 22.2×21.9×21.4mm, 42.01g","price":337.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/USSR_YAG.jpg?v=1775343416"},{"product_id":"star-wars-sdi-laser-ruby-loose-faceted-stones-czochralski-pulled-crystal","title":"SDI\/'Star Wars' Laser Ruby Loose Faceted Stones, Fancy Cuts","description":"\u003cp\u003eThese are lab created laser rubies grown for use in the Strategic Defense Initiative, aka 'Star Wars' program, in the 1980s.  Like all rubies they have a high hardness of 9, great brilliance and glow red under UV.\u003cbr\u003e\u003cbr\u003eThis is the most classic gem produced by science: laser ruby. While material of this color would be called 'pink sapphire' in a gemological context, in laser science all corundum doped with chromium is considered ruby (in contrast to pink laser sapphire which is doped with titanium). In a laser this material would be cut into a cylinder, charged up with photons from the sides and emit a beam of coherent light out of the end--in fact the very first laser was built with a ruby. As you would expect for this requires a very high standard of chemical purity and structural perfection--when energizing a crystal imperfections tend to heat up and explode. Czochralski pulling ensures that these stones have perfect crystal structure, high chemical purity and strong, even coloration, which coincidentally makes them exceptional for gem usage as well.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eBack in the 80s the US government spun up the SDI (Strategic Defense Initiative) program, the idea being to create powerful defenses against nuclear weapons using whatever wacky sci-fi ideas people could come up with--because of this the media often called it the 'Star Wars' program. One idea was to make powerful lasers that would shoot missiles right out of the sky en route, and because of that they grew a lot of laser ruby and stockpiled it for future use. When the SDI was finally wound down there was a lot of this stuff lying around which was surplused off and often made it into the hands of faceters. Unfortunately I missed out on all of that on account of being born that year, but we've been able to buy a few old collections that contained some of this material. We can't be 1000% certain of the provenance because it wasn't specifically labeled as government material but it was labeled as laser ruby and is from exactly the right time so I would call it 99% certain. \u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis material cuts super bright, neon pink stones with a ton of scintillation and super bright fluorescence which gives them an extra pop. They are great for any lover of science, fluorescence or the color pink!\u003cbr\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1ct Square Cut 5.25mm","offer_id":50654687002912,"sku":"Gem_SWRuby_Sq_5.25","price":40.0,"currency_code":"USD","in_stock":false},{"title":"3.10ct Long Octagon Cut","offer_id":50654696669472,"sku":"Gem_SWRuby_028","price":124.0,"currency_code":"USD","in_stock":false},{"title":"3.54ct Oval Cut","offer_id":50654687953184,"sku":"Gem_SWRuby_029","price":140.0,"currency_code":"USD","in_stock":false},{"title":"3.7ct Cushion Cut","offer_id":50654687985952,"sku":"Gem_SWRuby_030","price":148.0,"currency_code":"USD","in_stock":false},{"title":"3.92ct Square Cut","offer_id":49698283880736,"sku":"Gem_SWRuby_001","price":156.0,"currency_code":"USD","in_stock":false},{"title":"4.06ct Fancy Diamond Shape Cut","offer_id":50654692114720,"sku":"Gem_SWRuby_031","price":161.0,"currency_code":"USD","in_stock":false},{"title":"4.39ct Rectangle 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13.2mm","offer_id":48917196734752,"sku":"Gem_SWRuby_027","price":636.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0070_cca44344-aaee-4fb2-aeb0-11736e16d7fd.jpg?v=1716500493"},{"product_id":"colorless-yag-garnet-facet-rough","title":"Colorless YAG Garnet Facet Rough","description":"\u003cp\u003eThese are lab created colorless YAG garnet facet rough.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a very cool gem, a type of lab-created garnet grown for use in scientific applications, YAG (Yttrium Aluminum Garnet).  It has the same structure as a natural garnet but a composition which could never occur in nature, allowing it to have a higher hardness (8.25) and greater brilliance.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG is an ideal crystal for scientific applications: it is hard, durable, relatively easy to grow and can be doped with a wide variety of ions to give it a wide variety of properties.  It is widely used as a laser and scintillator crystal but also in more niche applications like optics.  I am not sure what this material was grown for--it is colorless and either undoped or doped with something that does not affect the color.  Nevertheless it serves as a bright and beautiful gem which was once used as a stand-in for diamond.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG is an excellent material to facet, incredibly easy to cut and polish and with a high hardness of 8.25-8.5, an RI of 1.83 and good dispersion which makes for very lively stones even before the color factors in. It is suitable for use in all kinds of jewelry.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (crumb)","offer_id":48209838899488,"sku":"Rgh_YAG_Clr_Shard","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":48209850368288,"sku":"Rgh_YAG_Clr_1g","price":7.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":48209838932256,"sku":"Rgh_YAG_Clr_2g","price":10.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":48209838965024,"sku":"Rgh_YAG_Clr_3g","price":14.0,"currency_code":"USD","in_stock":false},{"title":"1pc 4-5g","offer_id":48209838997792,"sku":"Rgh_YAG_Clr_4g","price":18.0,"currency_code":"USD","in_stock":false},{"title":"1pc 5-6g","offer_id":48209852563744,"sku":"Rgh_YAG_Clr_5g","price":22.0,"currency_code":"USD","in_stock":false},{"title":"1pc 6-7g","offer_id":48209852596512,"sku":"Rgh_YAG_Clr_6g","price":26.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7g","offer_id":48209898340640,"sku":"Rgh_YAG_Clr_001","price":28.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.1g","offer_id":48209898373408,"sku":"Rgh_YAG_Clr_002","price":28.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.5g","offer_id":48209898406176,"sku":"Rgh_YAG_Clr_003","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.6g","offer_id":48209898471712,"sku":"Rgh_YAG_Clr_004","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.9g","offer_id":48209898504480,"sku":"Rgh_YAG_Clr_005","price":31.0,"currency_code":"USD","in_stock":false},{"title":"1pc 9g","offer_id":48209898537248,"sku":"Rgh_YAG_Clr_006","price":36.0,"currency_code":"USD","in_stock":false},{"title":"1pc 9.5g","offer_id":48209898570016,"sku":"Rgh_YAG_Clr_007","price":38.0,"currency_code":"USD","in_stock":false},{"title":"1pc 15.1g","offer_id":48209898602784,"sku":"Rgh_YAG_Clr_008","price":60.0,"currency_code":"USD","in_stock":false},{"title":"1pc 26.9g","offer_id":48209898635552,"sku":"Rgh_YAG_Clr_009","price":107.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0025_023920f7-6030-440d-a09f-157f3acdd012.jpg?v=1713211392"},{"product_id":"green-laser-garnet-facet-rough-cth-laser-yag-rich-pure-green","title":"Pure Deep Green Laser Garnet Facet Rough, CTH Laser YAG","description":"\u003cp\u003eThese are lab created CTH YAG (Chromium-Thulium-Holmium:Yttrium Aluminum Garnet) facet rough, showing a deep pure green color, in contrast to the lighter vivid green of vanadium YAG.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a classic laser gem, CTH YAG. Like normal Cr YAG (aka Christmas Garnet) it has a super rich green base color, but the addition of . This means the base color does not have to compete with a red glow and comes out even richer and purer, easily matching and exceeding any other green gem I have seen in color (and I don't say that lightly!).  It also has excellent brilliance, and with a hardness of 8.5 is great for use in all kinds of jewelry.\u003c\/p\u003e\n\u003cp\u003eCTH YAG is used in far infrared lasers for a variety of purposes including medical procedures and meteorological measurements.  Fortunately for us though it was designed for science when they grow crystals there are areas that are unusable, and we were able to get these offcuts to be reborn as gemstones.\u003c\/p\u003e\n\u003cp\u003eYAG is an amazing material for faceting - not only is it easy to cut, but it also has a high hardness (8.25-8.5), a solid RI (1.83), and good dispersion.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (crumb)","offer_id":48209952637216,"sku":"RGH_YAG_CTH_crumb","price":22.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":48209920819488,"sku":"RGH_YAG_CTH_1g","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":48209920852256,"sku":"RGH_YAG_CTH_2g","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48209920885024,"sku":"RGH_YAG_CTH_3g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48209920917792,"sku":"RGH_YAG_CTH_4g","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48209920950560,"sku":"RGH_YAG_CTH_5g","price":82.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48209920983328,"sku":"RGH_YAG_CTH_6g","price":97.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48209921016096,"sku":"RGH_YAG_CTH_7g","price":112.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48209921048864,"sku":"RGH_YAG_CTH_8g","price":127.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48209921081632,"sku":"RGH_YAG_CTH_9g","price":142.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":49030555894048,"sku":"RGH_YAG_CTH_10g","price":157.0,"currency_code":"USD","in_stock":true},{"title":"B 1.8g","offer_id":48209977671968,"sku":"YAG_CTH","price":27.0,"currency_code":"USD","in_stock":false},{"title":"1pc 12g","offer_id":49742921859360,"sku":"YAG_CTH","price":180.0,"currency_code":"USD","in_stock":false},{"title":"K 21g","offer_id":48209977999648,"sku":"YAG_CTH","price":315.0,"currency_code":"USD","in_stock":false},{"title":"L 53.5g","offer_id":48209978032416,"sku":"YAG_CTH","price":700.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0009_940bec19-6a98-47d1-8ea2-a9d869f14e36.jpg?v=1713211840"},{"product_id":"golden-laser-garnet-rods-nd-ce-yag","title":"YAG Laser Rods, Failed, Decommissioned or Offcuts","description":"\u003cp\u003eThese are partial and complete laser rods in a variety of different types of YAG (yttrium aluminum garnet), including pink and golden laser garnet ( Ce+Nd) and green laser garnet (CTH:YAG and Er+Cr:YSGG).  Some are offcuts that didn't quite make it into final production or usage, others are decommissioned rods that lived a full career in a laser.\u003c\/p\u003e\n\u003cp\u003eThese laser rods were meant for use in solid state lasers.  They would have had light pumped into them from the side, either by a lamp or by another laser, absorbed that energy and converted it into the powerful coherent beam that lasers are known for.\u003c\/p\u003e\n\u003cp\u003eNeodymium makes YAG a versatile laser crystal, and Nd YAG lasers are the most versatile and widely-used. While the original Nd YAG lasers only added Nd it was soon discovered that Ce could act as a booster to its power. This means that depending on the application you might see crystals that only have Nd or ones that are almost entirely Ce with just a pinch of Nd.  Pure Nd gives a color shifting purple-pink color while pure Ce gives a rich fluorescent yellow color--when the two are mixed you get an unusual pink, peach or golden yellow color depending on proportions that shifts depending on the lighting.  These stones also show unusual dual fluorescence, with a mix of bright yellow and pink under shortwave UV and yellow-green under both blue light and shortwave UV.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCTH YAG is used in far infrared lasers for a variety of purposes including medical procedures and meteorological measurements.  \u003c\/span\u003eLike normal Cr YAG (aka Christmas Garnet) it has a super rich green base color, but the addition of thulium quenches the fluorescence, allowing it to be absorbed by the holmium instead of released as red light. This means the base color does not have to compete with a red glow and comes out even richer and purer, giving it a very rich and vivid color.  Some of these are rods with polished ends, others are square and likely rod blanks (? or maybe just square rods).\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Green CTH YAG Rod 3.9mm diameter 130-150mm Long","offer_id":48362271605024,"sku":"Rod_CTH_3.9_130","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Green CTH YAG Square rod 4.4mm 130-150mm Long","offer_id":48362283630880,"sku":"Rod_CTH_Sq_4.4_130","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter Under 10mm Long Matte Finish","offer_id":50535697121568,"sku":"Rod_NdYAG_6_Sub10_M","price":5.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 10-20mm Long Matte Finish","offer_id":50239683461408,"sku":"Rod_NdYAG_6_10_M","price":8.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 20-30mm Long Matte Finish","offer_id":50239683494176,"sku":"Rod_NdYAG_6_20_M","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 30-40mm Long Matte Finish","offer_id":50239683526944,"sku":"Rod_NdYAG_6_30_M","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 40-50mm Long Matte Finish","offer_id":50239683559712,"sku":"Rod_NdYAG_6_40_M","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 50-60mm Long Matte Finish","offer_id":50239683592480,"sku":"Rod_NdYAG_6_50_M","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Golden Rod Segment 5.9-7mm Diameter 15-22mm Long","offer_id":48210041798944,"sku":"Rod_CeNdYAG_5.9_15","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/20240429_162415.jpg?v=1714430062"},{"product_id":"orange-pink-lithium-niobate-facet-rough-erbium-linobate-lab-created","title":"Orange Pink Lithium Niobate Facet Rough, Erbium Linobate Lab Created","description":"\u003cp\u003eThis listing is for facet rough of lab created orange-pink lithium niobate. Each piece is labelled with its gram weight and letter in the photo and they can be purchased individually.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is erbium-doped lithium niobate, a rare laser crystal which has been used in new breakthrough on-chip lasers.  The erbium allows it to act as a far infrared laser crystal but also gives it a gorgeous pink-to-orange color changing base color as well as strong green fluorescence.  Cut stones may have a green cast in direct lighting, and should otherwise resemble a pink diamond(!)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eLithium niobate (LiNbO3) is an unusual crystal with very interesting properties.  Colorless lithium niobate was once popular as a diamond simulant but it really isn't that good of one simply because it's much brighter and more dispersive than a diamond, with an RI of 2.3 and a dispersion of 0.13 (vs 0.044 for diamond--dispersion measures its ability to split white light into a rainbow).  That means cut stones give of brilliant rainbows of color, and it makes for an amazing gem in its own right for those reasons.\u003c\/p\u003e\n\u003cp\u003eNote its hardness is around 5 so LN is not a good stone for rings but is fine for lower-wear jewelry like pendants.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc 1-2g","offer_id":50596173709600,"sku":"Rgh_LnEr_1","price":18.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":50596173742368,"sku":"Rgh_LnEr_2","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":48494768292128,"sku":"Rgh_LnEr_3","price":42.0,"currency_code":"USD","in_stock":false},{"title":"1pc 4-5g","offer_id":48494808858912,"sku":"Rgh_LnEr_4","price":54.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48494808891680,"sku":"Rgh_LnEr_5","price":66.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48494808924448,"sku":"Rgh_LnEr_6","price":78.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48494808957216,"sku":"Rgh_LnEr_7","price":90.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48494808989984,"sku":"Rgh_LnEr_8","price":102.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":50596176363808,"sku":"Rgh_LnEr_9","price":114.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":50596176396576,"sku":"Rgh_LnEr_10","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/erlinobatefluocopy.jpg?v=1715912500"},{"product_id":"select-dice-facet-rough","title":"Select Dice Facet Rough","description":"\u003cp\u003eThese are select pieces of rough hand picked to make incredible dice.  They are large blocky pieces of some of our best materials!  Cutting dice takes a lot of time and effort--you might as well start with something special.\u003c\/p\u003e\n\u003cp\u003eI have also added two options for smaller 'starter' dice rough:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite IRCM sapphire cylinders \u003c\/strong\u003eThese are approximately 20 mm long slices from longer sapphire rods which were intended to go into infrared countermeasures against heatseeking missiles (IRCM) back in the cold war. Dice made from these will be bright and durable (and might help you on your saving throw against fireball)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolden laser garnet boule tips (Ce+Nd:YAG)\u003c\/strong\u003e.  These are nice conical preforms, from the ends of crystals grown for use in lasers. Cutting these pieces is an easy way to start making dice, and they would also be good for cutting exceptionally large round cuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe also have large pieces of rough which are photographed and described individually and can be purchased from the drop down menu.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePink Nd+Ce:YAG Boule Top\u003c\/strong\u003e.  These crystals are grown for use in laser rods, but the tops concentrate impurities and can't be used for technical purposes.  This also gives them a unique range of colors including zones of purple, pink and peach--this one has a very rare blue zone at the top!  The tops are also very well shaped for cutting dice, almost a preform for a D20.  It has dull red fluorescence.  There are is one visible bubble in the very center.   It measures 38mm in diameter and 53mm long and weighs in at 153g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolden Ce+Nd:YAG Boule Top \u003c\/strong\u003e--it is a lot like the first stone but with a lot of cerium and just a little neodymium, which gives it a gorgeous golden yellow color which shifts between different lighting.  It has a light yellow fluorescence with a small spot of pink.  I haven't spotted any bubbles in this one but these boule tops often have some at the very center that are hard to see. It measures 37mm in diameter at the widest point, 54mm long and weighs in at 165g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyperfluorescent LuAG\u003c\/strong\u003e!  This garnet is grown for its incredible green fluorescence which is used in detecting invisible radiation.  It is also a wonderful gem with a high hardness of 8.5 and good durability.  It is legendary material and should cut a D20 that will look like pure crystallized magic.  The small 16.4g piece measures 15x12.7x12.6mm.  The medium 66g piece measures 24.7x22.8x22mm.  The large 132g piece measures 33x30x27mm and has a few long, very thin bubbles at the top and some tiny ones in a line in the center which should add some interest to the interior of the die.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDayglow GAGG\u003c\/strong\u003e: Like LuAG this lab created garnet is grown for its incredible glow and it really shows--not many gems can compete with this color!  This one has several bubbles and a few healed cracks but should hold together during cutting.  The stone measures about 21 x 20 x 19mm and weighs in at 54g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser Alexandrite\u003c\/strong\u003e: An amazing material grown mostly for medical lasers, lab alexandrite is very uncommon and difficult to get even for us.  The centers of the boules pretty universally have a ring of bubbles, which this die blank contains and should add an amazing galaxy-like sparkle to the finished stone.  The color is impossible to get on camera, mostly cranberry red but with purple and blue.  This will be a truly one-of-a-kind D20.  It weighs 70.6g and measures about 35x23.6x23mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAqua Color Yb:YAG\u003c\/strong\u003e. This material was also grown for use in lasers, and it has a light aqua-blue color.  This should cut a very bright and brilliant gem!  It weighs in at 75g and measures 29 x 30 x 27mm.\u003c\/li\u003e\n\u003cli\u003e'\u003cstrong\u003ePhantom YAG\u003c\/strong\u003e':  An unusual material that occurs from contamination at the edges of HDSM boules of laser YAG.  I don't know exactly what colors it, but it has a beautiful striped platinum grey color and strong pink fluorescence.  The smaller piece weighs in at 34g and measures 23.5x18.5x17.5mm.  The larger piece piece measures about 39.5x24x24mm and weighs in at 76g and has bubbles on one edge which can be removed in preforming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab grown laser ruby\u003c\/strong\u003e: This is a piece of a large crystal that cracked apart during growth and thus didn't meet spec.  It is very fluorescent with a vivid hot pink color. It is an irregular but chunky piece that will need some preforming but should yield an incredible die.  It has one minor fracture but otherwise seems to be totally clean.  This one will be unbelievable!  It weighs 58g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Red Lab Ruby\u003c\/strong\u003e: This ruby was probably being grown for ultra high end watches or some other technical application but cracked during growth.  It's a vivid slightly purplish red, has incredible fluorescence and is totally clean.  The shape is a little irregular but it will make an unbelievable D20.  It weighs in at 82g and measures about 31x28x28mm.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Lab Cobalt Quartz\u003c\/strong\u003e: This is vintage Russian lab created cobalt-doped quartz from the old Alexandrov lab.  This material has an incredibly vivid blue color!   They have a colorless seed plate running through the middle but will still make an incredible die.  The 81g piece measures 37x30x28mm and the 86g piece measures 38x30x29mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRutile\u003c\/strong\u003e:\u003cstrong\u003e \u003c\/strong\u003eThis next stone is incredibly special and I doubt we'll ever have many of these: a solid chunk of lab created rutile.  Rutile has by far the highest dispersion of any gemstone worth the name which means it splits light into its component spectrum.  This piece is perfectly clear, gemmy and should cut the brightest, most vibrant D20 ever.  It weighs in at 65g and measures 27 x 27 x 23mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDichroic moissanite\u003c\/strong\u003e:  This stone is blue through the sides and golden yellow down the length--once cut the golden color will be much lighter as it currently has a dark cap on the end.  The blue also gets more vivid--the frosted faces make it look greyer than it is.  Moissanite is very hard and eats through cutting laps so make sure you have extras!  It also likes to heat up during prepolish so dop and cut with care.  The end results are worth it though!  It's the hardest gem that can feasibly be cut into a die and it is more brilliant than a diamond, and the dichroic nature should make it incredible when rolled.  This stone has a few bubbles and needles.  It measures 28x26x25mm and weighs in at 57g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark dichroic moissanite\u003c\/strong\u003e:  This stone a darker variant of dichroic moissanite, with flashes of green and gold.  This stone has a few bubbles and needles.  It measures about 27.6x26x23.7mm and weighs in at 51g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePadparadscha-colored titanium laser sapphire\u003c\/strong\u003e: This material is grown for use in powerful infrared lasers and has a beautiful orange-pink color that resembles natural padparadscha sapphires.  It has some bubbles which have a bit of directional sparkle when they catch the light.  It weighs in at 129g and measures about 48 x 38 x 35mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoviet Laser Garnet\u003c\/strong\u003e: Pink-orange experimental laser garnet grown in the Soviet Union.  This material is YAG with both Er and Nd, likely grown in an attempt to make a dual wavelength laser.  The color shifts from pink to orange and often looks golden on camera for some reason.  This stone measures 23x21x19mm and weighs in at 45g--it is totally clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDinosaur Bone\u003c\/strong\u003e: This one is a bit unusual for us, but still a Gem of Science: dino gem bone (don't worry - incomplete bone pieces like this aren't palentologically interesting)! This is an actual fossilized dinosaur bone where the structures have been preserved in agate, yielding an amazing and unique gem.  They even show detailed structures under a microscope!  This material has some voids and requires extra care in cutting, but should yield an unbelievable one-of-a-kind D20.  It also has a single stray saw mark that should come out in preforming.  It weighs 74g and measures about 38x30x28mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Green Laser Garnet (CTH:YAG): \u003c\/strong\u003eThis garnet is grown for use in far infrared lasers, and has a deep, pure emerald green color with no fluorescence.  This one measures 30x38mm and weighs in at 81g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChristmas Garnet (Cr:YAG): \u003c\/strong\u003eThis garnet is grown for use as a Q switch in lasers and has a rich green base color and strong red fluorescence.  This one measures 30x38mm and weighs in at 81g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolden Lab Wakefieldite: \u003c\/strong\u003eMaybe the ultimate challenge in dice cutting with the biggest payoff!  Wakefieldite is soft (mohs 5) and has two directions of perfect cleavage: polishing a big die would be very hard and you would have to be very careful rolling it.  But it's also one of the most brilliant and fiery gems there is, with cut stones actually resembling rutile.  So not for the faint of heart but likely to be a showstopper!  The clean section of this crystal measures about 29x28x26mm, the top will need to be ground through or trimmed off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Topaz: \u003c\/strong\u003eA big crystal of natural topaz, ready to make an amazing D20!  The 99g piece has a light brown color and measures about 45.8x36.5x31.7mm, a couple of fractures right at the surface that should cut out, the middle looks fairly clean.  The 158g piece measures 43x41x39mm.  This piece has a few inclusions but they seem to be concentrated on the edges.  Color is a light peach\/blue bicolor, should cut amazingly bright.  \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Andamooka Matrix Opal: \u003c\/strong\u003eBig chunks of natural opal in matrix from Andamooka, Australia!  These are in a limestone matrix with bright streaks of opal fillings cracks.  They are tan out of the ground and have to be treated to get a darker background, typically by soaking in a sugar solution and then exposing it to sulfuric acid which carbonizes the sugar.  This treatment goes into the stone--these pieces were trimmed from a large piece of rough and still show the darker base color throughout though with streaks of white.  This material is porous and may give an extra challenge in polishing but should make for incredible dice!  these were photographed damp.  The 51g piece measures 39x29x29mm and the 53g piece measures 29x28x28mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf 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Each is individually photographed.\u003cbr\u003e\u003cbr\u003eThis is a really cool one, dual-doped neodymium+chromium YAG. Nd:YAG is the most classic laser crystal, and adding chromium gives it two benefits in space.  First, chromium radiation hardens the crystal, allowing it to function in the unforgiving environment outside our atmosphere.  Adding chromium also allows the creation of self-switched pulsed lasers which are hard to grow but save weight and have fewer points of failure, making them great for use in very demanding applications.\u003c\/p\u003e\n\u003cp\u003eAnd did I mention these go into space! They are grown by a top US photonics company and a laser built around one of these will be on the 2028 Mars rover(!!!) in addition to their routine use on satellites. In theory a laser crystal cut from one of these very same crystals could be on mars in a few years! The material we got is from the very tops of the crystals which tends to concentrate any chemical or structural imperfections and as such can't be used, but the main bodies of these crystals have no doubt made it into functioning lasers.\u003cbr\u003e\u003cbr\u003eFrom a gem perspective it is also amazing material. It looks similar to our classic christmas garnet, with a rich green base and strong red fluorescence, but with an even richer and slightly bluer green base. It also has odd pale yellow fluorescence under short wave unlike classic christmas garnet which is red in short and long wave, so it is easy to distinguish from the more common chromium YAG. 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While the original crystals were supposed to be grown with light-toned violet color, these turned out having a purple-gray, pure gray, or even bluish-gray hue. They look very similar to natural gray spinel!\u003c\/p\u003e\n\u003cp\u003eBecause these crystals weren't designed to have these color, there's some variation in tone (as with natural rough). \u003cspan\u003eAs-grown, the crystals tend to be a pure blueish-grey color at the tip fading into a purple grey at the base, giving a range of colors.\u003c\/span\u003e  Because of that, no two stones are exactly the same, and there will be some differences in color between gems.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCut stones are bright and very beautiful with a unique look. In addition, the purplish component (from the Nd-doping) will vanish under CFL bulbs, which can make the color of the stones shift to be a purer gray.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith a hardness of 8.5 it is ideal for use in all kinds of jewelry.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Dusk \/ 2mm Round Cut","offer_id":49760088228128,"sku":"Gem_Dusk_Rnd_2","price":6.0,"currency_code":"USD","in_stock":false},{"title":"Dusk \/ 3mm Round Cut (avg 0.15ct)","offer_id":49760012370208,"sku":"Gem_Dusk_Rnd_3","price":9.0,"currency_code":"USD","in_stock":false},{"title":"Dusk \/ 4mm round Cut (avg 0.4ct)","offer_id":49760012402976,"sku":"Gem_Dusk_Rnd_4","price":16.0,"currency_code":"USD","in_stock":false},{"title":"Dusk \/ 5mm Round Cut (avg 0.7ct)","offer_id":49760012435744,"sku":"Gem_Dusk_Rnd_5","price":28.0,"currency_code":"USD","in_stock":false},{"title":"Dusk \/ 6mm Round Cut (avg. 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