Ends in 3d 6hAntique Rene Boivin Platinum Diamond Brooch Circa 1880s Estate JewelryEst. $106,000-$127,000$44,000Jasper52New York, NY
Ends in 3d 17hAN ANTIQUE DIAMOND 'EN TREMBLANT' FLOWER BROOCHEst. $3,000-$5,000$3,000BonhamsBoston, MA
15 hrs LeftAN EDWARDIAN 14K GOLD AND PLATINUM SET DIAMOND, EMERALD AND NATURAL PEARL SERPENT BROOCHEst. $8,000-$10,000$5,000I&J AuctionRidgewood, NJ
3 days LeftDiamond and Sapphire Crown Brooch in 18K Gold and Platinum with 62 Old Mine StonesEst. $7,449-$9,683$100BidhausNew York, NY
4 days LeftPlatinum ruby floral brooch with old European diamond haloEst. $5,720-$7,436$100BidhausNew York, NY
Jul 19, 2026French Art Nouveau Repouss?? 18K Gold Winged Chimera Dragon BroochEst. €3,500-€4,500€2,500Horizontal EncherePuteaux, paris
Ends in 3d 17hAN ANTIQUE DIAMOND SUNBURST PENDANT/BROOCH, CIRCA 1890Est. $3,000-$5,000$2,400(1 bid)BonhamsBoston, MA
Jul 16, 2026Modernist broochEst. €425-€900€425Subastas de Barcelona S.L. (Subarna Casa de Subastas)Barcelona , Catalonia
Ends in 3d 17hAN ANTIQUE DIAMOND CRESCENT BROOCH, AUSTRIA-HUNGARYEst. $2,000-$3,000$1,500(15 bids)BonhamsBoston, MA
Aug 01, 2026Tiffany & Co. Diamond and Sapphire Bow PinEst. $1,600-$1,700$800Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN
Ends in 3d 18hFREDERIC-CHARLES VICTOR DE VERNON: A GOLD AND DIAMOND BROOCH, FRANCEEst. $1,500-$2,500$1,300BonhamsBoston, MA
2 days LeftPlatinum 7 Carat Old Mine Diamond Brooch with 4 DiamondsEst. $12,884-$14,430$4,800Diamond DepotNew York, NY
Ends in 3d 18hA PLATINUM, RUBY, AND DIAMOND BROOCH, CIRCA 1950sEst. $4,000-$6,000$4,000(1 bid)BonhamsBoston, MA
Ends in 3d 18hA PLATINUM, CARVED GEMSTONE, AND DIAMOND FLOWER BROOCHEst. $5,000-$7,000$4,000BonhamsBoston, MA