3 days LeftEdwardian 18k Gold Platinum Opal Diamond Halo Cluster RingEst. $3,770-$4,901$100Mynt AuctionsNew York, NY
1 day LeftGIA Certified 1.92ctw Royal Blue Ceylon Sapphire Diamond Halo Ring in PlatinumEst. $2,964-$3,853$100Mynt AuctionsNew York, NY
4 days LeftPlatinum GIA Certified 2.98ct No Heat Star Ruby Diamond Ballerina RingEst. $8,671-$11,272$100Mynt AuctionsNew York, NY
5 days LeftVintage Platinum Cocktail Ring AGL Certified 4.84ctw Burma Star Ruby and DiamondEst. $6,773-$8,804$100Mynt AuctionsNew York, NY
3 hrs LeftPlatinum Fire Opal Diamond Oval Ring 2.75ct to 3ctEst. $11,804-$15,345$100BidhausNew York, NY
6 hrs LeftElegant Platinum 3.90ctw Oval Opal Diamond Halo Cocktail RingEst. $2,483-$3,227$100Mynt AuctionsNew York, NY
3 days LeftPlatinum 18k Yellow Gold Oval Opal Diamond Cocktail RingEst. $2,002-$2,602$100Mynt AuctionsNew York, NY
6 days LeftPlatinum 4.2ctw Bi-Color Orange Fire Opal Diamond Cocktail RingEst. $3,341-$4,343$100Mynt AuctionsNew York, NY
6 days Left18k White Gold Platinum Pink Spinel Diamond Drop Necklace Adjustable ChainEst. $2,015-$2,619$100Mynt AuctionsNew York, NY
3 days LeftGIA Certified Platinum Ring With 11.74ct Cushion Color Change Sapphire and Diamond HaloEst. $26,403-$34,323$100Mynt AuctionsNew York, NY
Aug 01, 2026Tiffany & Co. Diamond and Sapphire Bow PinEst. $1,600-$1,700$800Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN
12 hrs Left1970s Vintage Platinum Bracelet 30cts Diamond Rounds Marquise BaguetteEst. $53,092-$69,019$100BidhausNew York, NY
Jul 18, 2026Designer Oscar Friedman 1.66ct Red-Purple SapphireEst. $9,500-$12,500$2,750North American Auction Co.Bozeman, MT
2 days LeftTiffany & Co. Elsa Peretti Platinum Wedding Ring with Diamond Size 7.25Est. $1,378-$1,791$100BidhausNew York, NY
Jul 24, 2026Edwardian French Platinum Diamond Emerald Necklace Emerald Antiques from Muzuo, ColombiaEst. $6,000-$20,000$6,000HEAVEN'S EARTH ANTIQUE CO LLCSan Francisco, CA
6 days LeftPlatinum GIA Certified Burma Type A Jade Diamond Ballerina Ring 0.92ctwEst. $2,964-$3,853$100Mynt AuctionsNew York, NY
5 days LeftGIA Certified 1.57ct Platinum Emerald Diamond 3 Stone RingEst. $3,913-$5,086$100Mynt AuctionsNew York, NY
Jul 18, 2026Beautiful Designer 7.08ct. Blue Sapphire BraceletEst. $18,500-$25,000$4,500North American Auction Co.Bozeman, MT
12 hrs LeftWomen's Cocktail Ring with GIA Star Sapphire and Diamond Double Halo in White GoldEst. $14,235-$18,505$100BidhausNew York, NY
Jul 18, 2026Fine Designer Blue Sapphire GIA Certified RingEst. $14,500-$19,500$3,500North American Auction Co.Bozeman, MT
2 days LeftAntique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctwEst. $2,964-$3,853$100Mynt AuctionsNew York, NY
3 days LeftPlatinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainEst. $2,964-$3,853$100BidhausNew York, NY
Jul 25, 20262 14k/18k Gold & Diamond RingsEst. $400-$600$200(1 bid)Schmidt's Antiques Inc. Since 1911Ypsilanti, MI
12 hrs LeftTiffany & Co. CIRCLET Diamond Pendant Platinum Necklace 0.35ctEst. $6,682-$8,686$100BidhausNew York, NY