{"product_id":"12560396","title":"[12560396] YAG (Yttrium Aluminum Garnet) 2.221ct Loose Stone","description":"The history of simulants manufactured as diamond substitutes dates back to the late 1940s, when \u003ca href=\"https:\/\/store.karatz.jp\/collections\/syntheticrutile\"\u003esynthetic rutile was produced\u003c\/a\u003e , followed by \u003ca href=\"https:\/\/store.karatz.jp\/collections\/strontium_titanate\"\u003estrontium titanate\u003c\/a\u003e in the 1950s, and finally \u003ca href=\"https:\/\/store.karatz.jp\/collections\/yag\"\u003eYAG (yttrium aluminum garnet)\u003c\/a\u003e , an artificial gemstone that was in circulation around 1970. Also known as Yag, this artificial gemstone is a cousin of \u003ca href=\"https:\/\/store.karatz.jp\/collections\/ggg\"\u003egadolinium gallium garnet (GGG)\u003c\/a\u003e .\n\n Yukinko Cut\n\n\u003cbr\u003e\u003cbr\u003e Type: Loose stone (synthetic stone, artificial stone, treated stone)\n\u003cbr\u003e Stone name: \u003ca href=\"https:\/\/store.karatz.jp\/collections\/yag\"\u003eYAG (yttrium aluminum garnet)\u003c\/a\u003e\n\u003cbr\u003e・Weight: 2.221ct\n\u003cbr\u003e・Size: 8.0 x 7.0 mm\n\u003cbr\u003e Shape: Custom cut\n Scratches\/chips: S\n\u003cbr\u003e・Inclusions: S\n\u003cbr\u003e ·remarks:---\n \u003cbr\u003e・Accessories: Certificate of Authenticity (JTL (Jewel Trading Laboratory)), loose stone case (if it does not fit, a clear zippered case will be provided)\n\n\u003cbr\u003e\u003cbr\u003e *We strive to make the colors in the photos as close to the actual product as possible, but they may look slightly different from the actual product depending on the lighting conditions during photography and the monitor settings you are using. Also, some photos may have been taken using a penlight.\n\n\u003cbr\u003e\u003cbr\u003e *For information on scratches, chips, treatments, and inclusions, please click \u003ca href=\"https:\/\/note.com\/karatz\/n\/n5319af0b99c8\"\u003ehere\u003c\/a\u003e .\n\n\u003cbr\u003e\u003cbr\u003e *For other frequently asked questions, please click \u003ca href=\"https:\/\/store.karatz.jp\/pages\/faq\"\u003ehere\u003c\/a\u003e .\u003cbr\u003e\n\n\u003cbr\u003e\u003cbr\u003e karatz_item_id: 12560396","brand":"カラッツSTORE","offers":[{"title":"Default Title","offer_id":49523996000449,"sku":"12560396","price":39800.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5802\/6945\/files\/P9128687.jpg?v=1764980850","url":"https:\/\/store.karatz.jp\/en\/products\/12560396","provider":"カラッツSTORE","version":"1.0","type":"link"}