Jul 29, 2026BROOCH PLATINUM DIAMOND & GEMSTONES LARGE DRAGONFLY FRANCEEst. $15,469-$17,289$12,500Modern JewelryValley Village, CA
Jul 18, 20264.00ctw Diamond, 3.00ctw Sapphire, Pearl, Platinum/Gold BroochEst. $18,000-$19,000$2,400GWS Auctions Inc.Maitland, FL
Jul 19, 2026ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCHEst. $5,091-$5,690$4,150Modern JewelryValley Village, CA
Jul 18, 20262.00ctw Diamond and Platinum/18K 1.50" BroochEst. $13,000-$14,000$1,800GWS Auctions Inc.Maitland, FL
21 hrs LeftAntique Edwardian Tiffany & Co. 5ctw Diamond Comb in Platinum and GoldEst. $19,123-$24,859$100(1 bid)BidhausNew York, NY
2 days LeftAntique Edwardian Tiffany & Co. 5ctw Diamond Comb in Platinum and GoldEst. $19,123-$24,859$100Mynt AuctionsNew York, NY
2 days LeftDavid Webb Platinum Necklace with Turquoise and Diamonds 46.1 CtsEst. $251,433-$326,862$100BidhausNew York, NY
Jul 26, 2026TIFFANY&CO. DIAMOND SCRIBBLE BROOCH 18K YG/PLATINUMEst. $3,450-$5,060$25NY Elizabeth Beverly Hills, CA
7 days LeftArt Deco brooch and earrings set with pearls and diamonds.Est. €3,250-€6,000€3,250Subastas de Barcelona S.L. (Subarna Casa de Subastas)Barcelona , Catalonia
Jul 18, 2026TIFFANY CO. LEAF MOTIF DIAMOND BROOCH YELLOW GOLD 750Est. $5,775-$8,470$25NY Elizabeth Beverly Hills, CA
Jul 24, 2026RETRO period, Italian bicolor gold brooch 18k bicolor gold diamond sapphire.Est. $2,800-$5,000$2,800HEAVEN'S EARTH ANTIQUE CO LLCSan Francisco, CA
Jul 25, 2026MIKIMOTO AKOYA PEARL SEA HORSE BROOCH SILVEREst. $750-$1,100$25NY Elizabeth Beverly Hills, CA
Jul 25, 2026AS TIME HEMATITE SAPPHIRE DIAMOND FLORA GRAPES PENDANT AND BROOCH PT 900Est. $3,900-$5,720$25NY Elizabeth Beverly Hills, CA
Jul 25, 2026BROOCH PM/PLATINUM K18/YELLOW GOLD ALLOYEst. $1,200-$1,760$25NY Elizabeth Beverly Hills, CA
6 days LeftPlatinum Art Deco Diamond Bow Pin 68 Stones 2.75 InchEst. $2,405-$3,126$100BidhausNew York, NY
Buy NowDavid Webb Platinum Necklace with Turquoise and Diamonds 46.1 Cts$244,830Diamond DepotNew York, NY
Jul 25, 2026DIAMOND BAGUETTE-CUT CLASSIC PENDANT 900 PLATINUMEst. $1,500-$2,200$25NY Elizabeth Beverly Hills, CA
6 days LeftDavid Webb Platinum Necklace with Turquoise and Diamonds 46.1 CtsEst. $251,433-$326,862$193,000BidhausNew York, NY
Aug 01, 2026Tiffany & Co. Diamond and Sapphire Bow PinEst. $1,600-$1,700$800Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN
Jul 21, 2026BOUCHERON 18K GOLD RETRO CLIP PIN BROOCH DIAMOND SAPPHIREEst. $62,900-$70,300$51,500Modern JewelryValley Village, CA