{"product_id":"vintage-18k-gold-8-81-ct-gia-natural-sapphire-and-natural-diamond-ring","title":"Vintage 18K Gold 8.81 CT GIA Natural Sapphire and Natural Diamond Ring","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThis vintage 18K yellow gold ring features a GIA-certified 8.81 carat natural sapphire set between two substantial clusters of natural round diamonds. The sapphire has an elongated octagonal outline and a step-cut faceting arrangement, with a dark bluish green color documented by GIA.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring 14.85 × 8.94 × 6.04 mm, the sapphire is secured by four corner prongs. Six natural diamonds are arranged on each side of the center gemstone, creating symmetrical clusters that extend across the upper portion of the ring. The twelve diamonds total approximately 1.20 carats, with E–F color and SI1 clarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 18K yellow gold mounting weighs 10.98 grams and features contrasting light-colored diamond settings. Its broad gemstone arrangement and substantial construction give the ring a distinctive vintage appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sapphire is accompanied by GIA Sapphire Report 5241074951, dated September 29, 2026. The report identifies the stone as natural sapphire, dark bluish green in color, transparent, and heated. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMetal: 18K Yellow Gold\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePeriod: Vintage\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNatural Sapphire, 8.81 CT, 14.85 × 8.94 × 6.04 MM\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSapphire Color: Dark Bluish Green\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSapphire Treatment: Heated\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGIA Report: 5241074951\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNatural Diamonds: 12 Round Diamonds, 1.20 CTW, E–F, SI1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRing Size: 9.5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 10.98 Grams\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach piece of jewelry is carefully evaluated by our Graduate Gemologist, certified by the Gemological Institute of America (GIA), to ensure quality, authenticity, and lasting beauty.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eWe invite you to learn more about our craftsmanship and values on our About Us page. If you have any questions or would like personalized assistance, please don’t hesitate to contact us — we’re always happy to help.\u003c\/span\u003e\u003c\/p\u003e","brand":"Black Market LLC","offers":[{"title":"Default Title","offer_id":45978798620738,"sku":"R3088","price":13860.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1507\/0826\/files\/IMG_0013_36e94c77-e26c-4e0b-8c7e-1f5c1e99f836.jpg?v=1794513508","url":"https:\/\/blackmarketllc.com\/products\/vintage-18k-gold-8-81-ct-gia-natural-sapphire-and-natural-diamond-ring","provider":"Black Market LLC","version":"1.0","type":"link"}