Sold2020Platinum 1.83ct Opal Diamond Cocktail RingPlatinum cocktai lring, set with a 1.83ct al opal, surrounded eith 0.25ctw in diamonds. Ring size - 6, ring top - 18mm x 15mm. Marked: 900Pt, D025, 1.83. Weight 9.4 grams.See Sold Price
Sold2021Platinum Opal Diamond Cocktail RingPlatinum cocktail ring, with oval 15.5 x 12.5mm opal, surrounded with approx. 0.20ct win diamonds . Opal is slightly loose in the setting. Ring size - 5.75, ring top - 17mm x 20mm. Marked 900pt. WeighSee Sold Price
Sold2016Estate Platinum Opal & Diamond Cocktail RingEstate Platinum Opal & Diamond Cocktail Ring. Hallmarked. Having a cabochon cut opal at center with small white diamonds. Ring size 6.5, can be resized. Weighs approximately 3.1 grams inclusive.See Sold Price
Sold2018Platinum 15.45ct Opal Diamond Cocktail RingMETAL: Platinum. MEASUREMENTS: Ring size - 8 1/4, ring top - 26mm x 26mm. GEMSTONES: 15.45ct opal, measures 23.3mm x 19.9mm, shows natural crazing. Diamonds - approx. 0.48ctw. MARKED: Pt900, 1545. WEISee Sold Price
Sold202211.39ct Opal Diamond Platinum Cocktail RingMetal : Platinum Designer : Not Signed Gemstone : Opal cabochon 11.39ct, Diamonds 1.25ctw Measurements : Ring size 8.75, top is 23 x 19mm Marked: : pt900, 11.39, 1.25 Weight: 13.3See Sold Price
Sold2021Platinum Diamond 2.09ct Opal Cocktail RingMETAL: Platinum. GEMSTONES: with center 2.09ct opal, and 2.25ctw in diamonds. MEASUREMENTS: Ring size - 6.5, ring top - 18mm x 16mm. MARKED: 1.11, Pt900, 2.09. WEIGHT: 8.5 grams.Gemstones have not beeSee Sold Price
Sold2017LADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RINGLADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RING Ladies .900 Platinum diamond cocktail fashion ring with oval cut black opal center stone. Diamond carat weight total is approximately .40cts, opal measSee Sold Price
Sold2023GIA 5.39 cts Black Opal & Diamond Ballerina Cocktail Ring in PlatinumGIA 5.39 cts Black Opal & Diamond Ballerina Cocktail Ring in PlatinumSee Sold Price
Sold2022Estate 10 Carats Diamond Opal 14k Yellow Gold Cocktail RingThis stunning cocktail ring is crafted from 14k yellow gold featuring a rhombus shape wave style bridge set with baguette diamonds, the center has a gorgeous oval shape 7 carats fire opal gemstone helSee Sold Price
Sold2017Black Opal Slate, 1ctw Diamond & Platinum Ring18.5mm Black Opal Slate, 1.00ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring W/Emerald Accents - This beautiful ring was finely crafted of solid platinum, and boasts a lovely, 18.5mm black opalSee Sold Price
Sold2021Two Gold Cocktail RingsA platinum and 14k ring set with small diamonds and a five piece 14k ring set with small opals. Dimensions: Size 6 and size 5. The total approximate gross weight is 9.1 dwt. Provenance: From a local cSee Sold Price
Sold2016A Platinum & Diamond Cocktail Ring, Cartier, c.1946Auction announcements 16th November 2016 Lot 17: The correct starting price is 3,600 €. An Exquisite Platinum & Diamond Cocktail Ring, by Cartier, London, circa 1946 Designed as a pair of stylised tSee Sold Price
Sold2022Art Deco Platinum Diamond Cocktail RingArt Deco Platinum Diamond Cocktail Ring Weighing 8.7 grams Set with a 1.10 Ct. Diamonds in Center Along with 8 Diamonds weighing app. 5.60 Ct. F-G Color, VVS-VS Clarity Ring Size 7See Sold Price
Sold2018A Lady's Platinum Diamond Cocktail RingPlatinum ring featuring round brilliant cut diamond weighing approx. 1.85 ct set in the center of the ring with 16 additional diamond weighing approx. 2.20 ctw set in prongs in an oval flared frame roSee Sold Price
Sold2022Platinum Diamond Cocktail RingMetal : Platinum Designer : Not Signed Gemstone : Center star red stone cabochon - 13.3 x 11.2 x 6.8mm, Diamonds approx. 1.40ctw Measurements : Ring size 7, top is 18mm x 20mm Marked: : PlatSee Sold Price
Sold2024Hubert Fire Opal Diamond Cocktail RingMetal : 18k Gold Designer : Hubert Gemstone : Diamonds approx. 0.38ctw, Fire opal. Measurements : Ring size 6.5, top is 30mm x 26mm. Marked: : Hubert, 18k, USA, RH6845. WeighSee Sold Price
Sold2018Art Deco Platinum, Opal & Diamond RingArt Deco Platinum, Opal & Diamond Ringcentered on a prong set, oval black opal (14.97 x 10.48 x 5.03 mm) with three single cut diamonds on either side weighing approximately .11 total carat (H-I colorSee Sold Price
Sold2022Platinum Opal Diamond RingPlatinum Weight 7.10g Opal Approx. 1.12ct Diamond Approx. 0.67ct RingSee Sold Price
Sold2024Vintage 1960's Oval Opal Diamond Cocktail Ring 12K Yellow Gold, 13.45 GramsDescriptionVintage 1960's Oval Opal Diamond Cocktail Ring 12K Yellow Gold, 13.45 GramsMake a statement with this one-of-a-kind cocktail ring. Please let us know if you have any questions.Circa: 1960'sSee Sold Price
Sold2019Art Deco Platinum & Diamond Cocktail Ring Three LargeAK JAT0 Art Deco Platinum and Diamond Cocktail Ring Three Large Stones Wonderful pendant that is a great addition to your collection. Weight is 4.3 grams Made of Diamonds (Large Diamonds are about 0.4See Sold Price
Sold202224ct Beryl Platinum Diamond Cocktail RingMetal : Platinum Designer : Not Signed Gemstone : Beryl approx. 24ct (multiple small nicks/chips on the stone) , Diamonds approx. 0.50ctw Measurements : Ring size - 5.5, ring top is 23mm x 23mmSee Sold Price
Sold2023Platinum Opal Diamond RingPlatinum Weight 7.1g Opal Approx. 7ct Diamond Approx. 2ct RingSee Sold Price
Sold2022Art Deco Style Platinum Diamond Cocktail RingVintage Art Deco style platinum diamond cocktail ring, set with round brilliant and baguette-cut diamonds; approx: 1.50 carats total weight; color: H-I, clarity: VS - SI1. Marked: "PLAT". Ring measureSee Sold Price
Sold2021ANTIQUE ART DECO PLATINUM DIAMOND COCKTAIL RINGANTIQUE DIAMOND AND PLATINUM RING--stunning antique ring that comes from a prominent New Jersey estate-this was the original wedding ring that was given in the early 1900s-Has a little more then 1 carSee Sold Price
May 31Miami Auctions & Appraisals LLC 11.52cts GIA Black opal Diamond Platinum Halo Cocktail RingUS$9,000
May 31Miami Auctions & Appraisals LLC Estate GIA Large Black Opal Diamond Platinum Cocktail Ballerina RingUS$34,500
May 31Miami Auctions & Appraisals LLC GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail RingUS$9,300
May 28Miami Auction GalleryGIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail RingUS$5,600
2 days LeftJasper52Vintage 1960's Oval Opal Diamond Cocktail Ring 12K Yellow Gold, 13.45 GramsUS$1,900
2 days LeftJasper52Vintage 1960's Opal Diamond Turquoise Cocktail Ring 14K Yellow Gold, 15.58 GramsUS$2,800
May 31Miami Auctions & Appraisals LLC Ceylon No Heat 16.17 carats Blue Sapphire Diamond Platinum Cocktail RingUS$61,000
May 31Miami Auctions & Appraisals LLC Estate AGL 8.13ct Colombian Emerald Diamond Platinum Cocktail RingUS$35,500
May 31Miami Auctions & Appraisals LLC Certified 9.02cts Zambian Emerald Diamond Platinum Cocktail RingUS$52,500
1 day LeftAdam's AuctioneersAN OPAL, GEM-SET AND DIAMOND COCKTAIL RING The central oval-shaped opal cabochon weighing approxima€0