{"product_id":"gia-certified-19-76-carat-natural-color-change-sapphire-no-heat-oval-brilliant-step-cut","title":"GIA Certified 19.76 Carat Natural Color Change Sapphire | No Heat | Oval Brilliant Step Cut","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThis exceptional GIA Certified Natural Color Change Sapphire weighs an impressive 19.76 carats and displays a striking color transformation from brownish yellowish green in daylight or fluorescent light to orange-brown under incandescent lighting.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eExpertly cut in an oval brilliant\/step cut combination, this sapphire offers both brilliance and depth. Most notably, it has no indications of heating, making it a rare, untreated specimen — highly sought after by serious gem collectors and connoisseurs.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e✨ Details:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Species: Natural Corundum\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Variety: Natural Sapphire\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Color: Brownish Yellowish Green changing to Orange-Brown\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Weight: 19.76 carats\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Measurements: 18.52 x 15.07 x 8.02 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Cut: Oval Brilliant Step Cut\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Transparency: Transparent\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Treatment: No Indications of Heating (Unheated)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Certification: GIA Report #5181420072 (included)\u003c\/span\u003e\u003c\/p\u003e","brand":"TimelessJewells","offers":[{"title":"Default Title","offer_id":51226246316343,"sku":null,"price":20000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5355\/6791\/files\/IMG_5405_68534e76-ffa2-4aa4-863b-a180b6259295.jpg?v=1760646600","url":"https:\/\/www.timelessjewells.com\/products\/gia-certified-19-76-carat-natural-color-change-sapphire-no-heat-oval-brilliant-step-cut","provider":"TimelessJewells","version":"1.0","type":"link"}