{"product_id":"grs-certified-150ct-natural-burma-blue-sapphire-unheated-gemstone-wbgem-gg99","title":"GRS certified 150ct Natural Burma Blue sapphire unheated gemstone Wbgem GG99","description":"\u003cp data-path-to-node=\"4\"\u003eCommand the attention of the global gemstone market with a true museum-caliber anomaly: a 150.00 Carat Natural Unheated Burma Blue Sapphire. Originating from the storied mines of Myanmar (Burma), reaching a monumental 150-carat weight while remaining completely untreated by heat is an extraordinarily rare feat in gemological history.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThis monumental stone exhibits a rich, velvety royal blue hue with exceptional saturation and natural luster. Cut to excellent proportions and optical symmetry, it achieves remarkable face-up light refraction and brilliance across its vast surface. Graded as Slight VS clarity, it maintains incredible transparency and visual purity, showcasing only minor natural birthmarks typical of large untreated corundum.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eAccompanied by an authoritative GRS (Gemresearch Swisslab) report confirming its completely unheated status and prestigious Burmese origin. An unrivaled acquisition for premier private collections, museum exhibitions, or sovereign investment portfolios.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eGemstone Specifications\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003eGem Species: Natural Corundum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003eGem Variety: Natural Blue Sapphire (Unheated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003eCarat Weight: 150.00 ct\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003eColor: Royal Blue \/ Vivid Blue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003eCut Grade: Excellent\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,5,0\"\u003eClarity Grade: Slight VS Clarity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,6,0\"\u003eGeographic Origin: Burma (Myanmar)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,7,0\"\u003eEnhancement\/Treatment: None \/ 100% Unheated \u0026amp; Untreated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,8,0\"\u003eLaboratory Certification: GRS Certified\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003eExplore our complete selection of loose unheated sapphires or contact our senior gemologists to arrange a private viewing or custom commission details.\u003c\/p\u003e","brand":"WB Gem","offers":[{"title":"Default Title","offer_id":67422770266402,"sku":"GG99","price":1125000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7051\/4210\/files\/wsxc1790959448505_0.jpg?v=1790934260","url":"https:\/\/wbgem.com\/zh\/products\/grs-certified-150ct-natural-burma-blue-sapphire-unheated-gemstone-wbgem-gg99","provider":"WB Gem","version":"1.0","type":"link"}