Jul 12, 2026Art Deco Platinum Ruby, Sapphire and Emerald Bangle & Ring SetEst. US$20,400-US$22,440US$2,000Platinum Auction GroupBoca Raton, FL
Jul 23, 2026Art Deco Era Fine Diamond Natural Emerald Platinum Filigree Antique BraceletEst. US$2,000-US$3,000US$10Hess Fine AuctionsSt Petersburg, FL
8 hrs LeftTiffany & Co. Schlumberger 18k Gold & Platinum Sapphire & Diamond RingEst. US$500-US$1,000US$4,500(14 bids)Akiba GalleriesDania Beach, FL
Jul 13, 2026Harry Gaunt 18K Yellow Gold and Platinum Oval Diamond Ring, 2.63CT., Flanked with Two BaguetteEst. US$10,500-US$12,000US$5,000Ripley AuctionsIndianapolis, IN
Jul 10, 2026Art Deco Platinum Diamond Cross Pendant, early 20th c., App. Total Wt.- 7 grams, H.- 2 3/4 in., W.-Est. US$800-US$1,200US$650Crescent City Auction GalleryNew Orleans, LA
Jul 16, 202618K Yellow Gold Platinum Diamond Wedding RingEst. US$600-US$800US$325Auctions at ShowplaceAstoria, NY
8 hrs LeftVintage Platinum Peridot & Diamond Cocktail Ring SignedEst. US$300-US$600US$200(1 bid)Akiba GalleriesDania Beach, FL
Jul 23, 20261940s Fine Untreated Jadeite Jade 18k White Gold Diamond Pendant on Platinum Necklace Chain w/ OrigEst. US$1,500-US$2,000US$30(2 bids)Hess Fine AuctionsSt Petersburg, FL
Jul 23, 2026Important Van Cleef Arpels 18k Gold Platinum Lion Bracelet Fine Ruby Eye Fine Diamond FangsEst. US$15,000-US$25,000US$400(6 bids)Hess Fine AuctionsSt Petersburg, FL
Jul 22, 2026Multigem, Platinum, and Yellow Gold RingEst. US$2,000-US$3,000US$1,000Freeman'sChicago, IL
8 hrs LeftTiffany & Co. "Soleste" Platinum Pink Tourmaline & Diamond RingEst. US$3,000-US$5,000US$2,250(2 bids)Akiba GalleriesDania Beach, FL
6 days LeftGIA Certified 2.64 Ct Blue Sapphire and Diamond Platinum RingEst. US$2,000-US$3,000US$950(4 bids)Coral Gables AuctionCoral Gables, FL
Aug 02, 2026Art Deco Platinum Diamond & Sapphire Duchess RingEst. US$900-US$1,000US$450Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN
Jul 20, 2026Jaeger LeCoultre Grande Memovox, Platinum, Full Est. US$5,750-US$6,900US$5,500Heritage AuctionsDallas, TX
6 days LeftArt Deco Platinum and Diamond RingEst. US$10,000-US$15,000US$5,000Kodner Galleries Inc.Dania Beach, FL
Jul 19, 2026Art Deco Platinum Marquise Diamond & Calibre Emerald Ring with Original Fitted BoxEst. €12,000-€13,000€8,000Horizontal EncherePuteaux, paris
6 days LeftSeed pearl, diamond, and platinum pendantEst. US$800-US$1,200US$150(2 bids)Rago Lambertville, NJ
8 hrs LeftTiffany & Co. Paper Flowers Platinum & Diamond Clover RingEst. US$800-US$1,200US$500Akiba GalleriesDania Beach, FL
Jul 13, 2026LARGE Antique Victorian Platinum and Diamond Bar Pin 5"H x 5/16"WEst. US$1,500-US$2,500US$600Ripley AuctionsIndianapolis, IN
Jul 10, 2026Art Deco Platinum Diamond Cross Pendant, App. Total Wt.- 5.1 grams, H.- 1 3/4 in., W.- 1 in.Est. US$800-US$1,200US$650Crescent City Auction GalleryNew Orleans, LA
6 hrs LeftPlatinum Burma Sapphire and Diamond Halo Ring GIA Certified No Heat 6.69ctEst. US$16,237-US$21,108US$125(2 bids)BidhausNew York, NY
Jul 12, 2026Art Deco Platinum GIA Certified Diamond Starburst BroochEst. US$35,800-US$39,380US$3,500Platinum Auction GroupBoca Raton, FL
6 days LeftOscar Friedman Platinum Kashmir Pink Sapphire and Diamond Halo Ring, GIA CertifiedEst. US$2,000-US$3,000US$850(2 bids)Coral Gables AuctionCoral Gables, FL