6 days LeftMid Century Diamond Ribbon Brooch in Platinum and White Gold 7.47ctwEst. $12,480-$16,224$100BidhausNew York, NY
6 days Left1970s Platinum 18K Yellow Gold 25 Carat Diamond Flower BroochEst. $44,265-$57,544$100BidhausNew York, NY
3 days LeftDavid Webb 1960s Platinum 18K Gold Diamond Openwork Bracelet 8 CtsEst. $34,073-$44,294$100BidhausNew York, NY
6 days LeftPlatinum 9.09ct Green Tourmaline Diamond Pendant Necklace AdjustableEst. $2,483-$3,227$100BidhausNew York, NY
1 day LeftPLATINUM VINTAGE ENGAGEMENT RING 0.99CT.NATURAL OLD EURO ROUND DIAMOND GIA CERTEst. $6,545-$7,315$5,300Modern JewelryValley Village, CA
6 days LeftAntique Edwardian Tiffany & Co. 5ctw Diamond Comb in Platinum and GoldEst. $19,123-$24,859$100BidhausNew York, NY
5 days LeftPlatinum GIA Certified Vivid Pink Oval Sapphire Diamond Stackable RingEst. $2,249-$2,923$100BidhausNew York, NY
3 days LeftA FANCY INTENSE YELLOW DIAMOND AND DIAMOND RINGEst. £150,000-£200,000£100,000Azca AuctionsLondon, England
Jul 23, 2026Platinum, Ruby and Diamond RingEst. $2,000-$3,000$1,000DOYLE Auctioneers & AppraisersNew York, NY
4 days LeftKaty Holiday Platinum Emerald & Diamond Cluster EarringsEst. $1,500-$2,000$550(2 bids)Coral Gables AuctionCoral Gables, FL
Jul 23, 2026Platinum, Tanzanite and Diamond RingEst. $4,000-$6,000$2,000DOYLE Auctioneers & AppraisersNew York, NY
Ends in 4d 12h2.41ct Natural Sapphire Diamonds Platinum Brooch Platinum Baguette Ref 12326**Est. $5,500-$7,000$2,200Jasper52New York, NY
Live NowCertified 4.54 Ctw VS/SI1 Tanzanite And Diamond 14K Yellow Gold Plated PlatEst. $4,820-$8,320$600Papps Family LiquidationBurbank, CA
Jul 15, 20261.95 CARAT OLD EUROPEAN AND CIRCULAR BRILLIANT DIAMOND PLATINUM ART DECO RINGEst. $9,500-$10,618$7,800Modern JewelryValley Village, CA
Jul 19, 2026TIFFANY & CO. ETOILE HEART PENDANT DIAMONDS 18K GOLD PLATINUM NECKLACEEst. $4,831-$5,400$3,950Modern JewelryValley Village, CA
Buy NowTIFFANY & CO. ETOILE HEART PENDANT DIAMONDS 18K GOLD PLATINUM NECKLACE$4,831Modern JewelryValley Village, CA
4 days LeftCertified 4.54 Ctw VS/SI1 Tanzanite And Diamond 14K Yellow Gold Plated PlatEst. $4,820-$8,320$600Papps Family LiquidationBurbank, CA
3 days LeftGIA Certified 2.61ct Fancy Yellow Diamond Marquise Sapphire Engagement RingEst. $9,607-$12,489$100BidhausNew York, NY
4 days LeftCertified 5.58 Ctw VS/SI1 Tanzanite And Diamond 14K Yellow Gold plated PlatEst. $6,880-$11,880$600Papps Family LiquidationBurbank, CA
Jul 12, 2026HALO 5.37CT DIAMOND PLATINUM OVAL TOP ENGAGEMENT RING SIZE 6.5Est. $62,696-$70,072$51,500Modern JewelryValley Village, CA
1 day LeftPLATINUM ZALES THREE-STONE ENGAGEMENT RING 1.00CT. NATURAL DIAMONDEst. $5,525-$6,175$4,550Modern JewelryValley Village, CA
Jul 15, 2026TIFFANY & CO.. 0.92 E-VVS2 DIAMOND PLATINUM ENGAGEMENT RINGEst. $17,000-$19,000$14,000Modern JewelryValley Village, CA
Jul 16, 2026TIFFANY & CO.. 0.55 CARAT H-VS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $6,500-$7,265$5,300Modern JewelryValley Village, CA
Jul 16, 20262.00 CARAT SAPPHIRE 0.61 CARAT ROUND DIAMOND PLATINUM BAND RINGEst. $7,310-$8,170$6,000Modern JewelryValley Village, CA