{"product_id":"gia-certified-20-61-carat-orange-opal-18k-gold-diamond-pendant-necklace","title":"GIA Certified 20.61 Carat Orange Opal 18K Gold Diamond Pendant Necklace","description":"\u003cdiv\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eVintage circa 1980s–1990s cocktail necklace features a GIA-certified 20.61-carat natural orange opal cushion cut, set in an ornate 18K yellow gold pendant with a double halo of near-colorless round diamonds. \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIncludes a detachable clip-bail and is paired with a 21-inch, 3mm Italian cable chain, showcasing an elaborate retro design with approximately 1.0 carat total weight of E–F color, VS clarity diamonds.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eMade in Italy.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong style=\"color: rgb(0, 0, 0);\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eItem Type: Vintage Cocktail Pendant Necklace\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEra: Circa 1980s–1990s\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMetal: 18K Yellow Gold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMain Gemstone: Natural Orange Opal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGIA Report Number: 1528697860\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGIA Report Date: July 10, 2025\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGemstone Shape: Cushion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCutting Style: Modified Brilliant Cut\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGemstone Transparency: Transparent\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGemstone Color: Orange\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOpal Weight: 20.61 Carats \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGIA-Reported Gross Weight: 13.84 Grams\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGIA-Reported Measurements: 19.11 × 19.09 × 12.40 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDiamond Accent: 108 Round Diamonds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDiamond Total Weight: Approximately 1.00 Carat\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDiamond Color: E–F\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDiamond Clarity: VS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSetting: Double Diamond Halo with Rope-Detail Border\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePendant Width: 27.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBail Height: 11mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBail: Detachable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eChain Material: 14K Yellow Gold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eChain Style: Italian Cable Chain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eChain Length: 21 Inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eChain Width: 3mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong style=\"color: rgb(0, 0, 0);\"\u003eAbout the Pendant and Setting:\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe statement pendant features a substantial square cushion-shaped orange opal framed by two concentric rows of sparkling near-colorless diamonds. Twisted rope detailing adds texture and dimension to the yellow gold setting, while the decorative bail complements the pendant’s vintage-inspired craftsmanship. The detachable bail allows the pendant to be separated from the chain, offering additional styling flexibility.\u003c\/span\u003e\u003c\/div\u003e","brand":"ASSAY","offers":[{"title":"Default Title","offer_id":49314240463038,"sku":"J18404N","price":16500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0508\/5724\/6910\/files\/GIA-Certified-20_61-Carat-Orange-Opal-18K-Gold-Diamond-Pendant-Necklace-Necklace.jpg?v=1792167500","url":"https:\/\/assayjewelers.com\/de\/products\/gia-certified-20-61-carat-orange-opal-18k-gold-diamond-pendant-necklace","provider":"ASSAY","version":"1.0","type":"link"}