{"product_id":"natural-ametrine-15-87-ct-cushion","title":"Natural Ametrine 15.87 ct – Cushion Mixed Cut, IGI Certified","description":"\u003cp\u003eThis 15.87 ct natural ametrine displays a distinct bicolor distribution of brownish yellow and purple. The gemstone is transparent, allowing for clear observation of the internal color zoning characteristic of this quartz variety. A cushion mixed cut defines the proportions, measuring 16.08 x 13.69 x 9.47 mm.\u003c\/p\u003e\n\n\u003cp\u003eThe cut quality and dimensions highlight the interplay between the two hues, which meets the standard for collectors of bicolored species. The generous carat weight and saturated tones categorize this stone as a significant example of natural ametrine.\u003c\/p\u003e\n\n\u003cp\u003eVerification is provided by the IGI laboratory under report number 586359234. This independent documentation confirms the weight, cushion mixed cut, and natural color characteristics of the gemstone. Such certification ensures transparency for the owner and provides a reliable record for future valuation.\u003c\/p\u003e\n\n\u003cp\u003eThe scale and clarity of this 15.87 ct ametrine make it a suitable center stone for custom jewelry commissions. It serves as an excellent addition to a professional gemstone portfolio or a specialized collection focused on unique color phenomena.\u003c\/p\u003e","brand":"SOSNA Gems","offers":[{"title":"Default Title","offer_id":58188561023240,"sku":"AME-000001","price":17469.0,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/8398\/2600\/files\/natural-ametrine-15-87-ct-cushion-1.webp?v=1783530443","url":"https:\/\/sosnagems.com\/products\/natural-ametrine-15-87-ct-cushion","provider":"SOSNA Gems","version":"1.0","type":"link"}