7 days LeftSapphire Ring Platinum Japanese Vintage Estate Jewelry JEM00071Est. $3,000-$4,000$50Southern California Auction Gallery Inc.Rowland Heights, CA
FEATUREDEnds in 3h 38mVintage French Platinum Diamond Clips Carved Sapphire Estate JewelryEst. $24,000-$29,000$9,500Jasper52New York, NY
Aug 01, 2026Art Deco Platinum and 95 Old European Cut Diamonds Brooch, Approx. 6.29tcwEst. $4,000-$6,000$3,500Rafael Osona AuctionsNantucket, MA
Buy NowCathy Waterman Multi Color Sapphire Platinum NECKLACE Estate Jewelry$14,000Jasper52New York, NY
Aug 01, 2026Platinum 7.83ct Emerald Cut Diamond RingEst. $50,000-$60,000$45,000Rafael Osona AuctionsNantucket, MA
Aug 01, 2026Platinum Oval 40.36ct Double Cabochon Natural Blue Star Sapphire and Diamond RingEst. $25,000-$30,000$18,000Rafael Osona AuctionsNantucket, MA
Jul 22, 2026Stuart Moore, Platinum, Diamond, and Yellow Gold Flexible Cuff BraceletEst. $600-$800$300Freeman'sChicago, IL
Aug 01, 2026Platinum 7.93ct Cushion Cut Natural Ceylan Blue Sapphire and Diamond RingEst. $15,000-$25,000$12,000Rafael Osona AuctionsNantucket, MA
Jul 21, 2026WIDE VINTAGE DIAMOND PLATINUM BRACELET ART DECO REVIVAL ESTATE JEWELRYEst. $169,660-$189,620$139,000Modern JewelryValley Village, CA
Aug 01, 2026Platinum 7.50ct Cushion Cut Blue Sapphire and Diamond RingEst. $15,000-$20,000$10,000Rafael Osona AuctionsNantucket, MA
2026GIA Certified 2.64 Ct Blue Sapphire and Diamond Platinum RingSee Sold PriceCoral Gables AuctionCoral Gables, FL
Jul 18, 2026Tiffany & Co. 19.50ctw Diamond and Platinum BraceletEst. $65,000-$67,000$19,000GWS Auctions Inc.Maitland, FL
Ends in 3h 43mPlatinum & 14k Gold Diamond Ring Set with 4.32 Carat Natural Old European Cut Diamond appraised a...Est. —$13,250(5 bids)Poinsett Auction & Realty, Inc.Travelers Rest, SC
2026Platinum Emerald & Diamond Ring, 1.52 Ct Emerald, 0.69 Ctw DiamondsSee Sold PriceCoral Gables AuctionCoral Gables, FL
Jul 21, 2026ART DECO RING PLATINUM OLD EUROPEAN CUT DIAMOND FRENCH ESTATE JEWELRYEst. $12,750-$14,250$10,500Modern JewelryValley Village, CA
Buy NowVan Cleef & Arpels Two Butterfly 18K White Gold 0.88ct Diamond Necklace$18,000Eastern European Art Gallery IncBroomall, PA
4 days Left1950's Platinum Diamond Pearl Cluster Ring 10 Carats Estate JewelryEst. $14,378-$18,691$8,500BidhausNew York, NY
4 days LeftAntique Platinum and 18K White Gold 4.75ct Diamond BroochEst. $4,500-$5,000$3,500Eastern European Art Gallery IncBroomall, PA
Aug 01, 2026Platinum & 18K Madagascar 3.20 Carat Ruby & Diamond Ring, GIA ReportEst. $5,000-$6,000$2,500Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN
Jul 21, 2026ART DECO PLATINUM DROP EARRINGS OLD EUROPEAN CUSHION CUT DIAMONDS ESTATE JEWELRYEst. $29,750-$33,250$24,500Modern JewelryValley Village, CA
Buy NowWIDE VINTAGE DIAMOND PLATINUM BRACELET ART DECO REVIVAL ESTATE JEWELRY$169,660Modern JewelryValley Village, CA