May 31, 2026ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCHEst. $4,581-$5,120$3,750Modern JewelryValley Village, CA
6 days LeftVintage Art Deco 18K Gold Platinum Diamond Brooch 37 Diamonds G-H VVS-VS2Est. $7,233-$8,137$2,850Diamond DepotNew York, NY
Buy NowArt Deco Platinum Brooch 6.05 Ct Diamond 87 European-cut VVS-VS$4,350Diamond DepotNew York, NY
Buy NowArt Deco Platinum Mini Flower Brooch with 3 Carats Diamonds and Aquamarine$4,740Diamond DepotNew York, NY
Buy NowArt Deco Platinum Brooch With Diamonds And Synthetic Blue Sapphires$2,890Diamond DepotNew York, NY
Buy NowArt Deco Lady Justice Platinum Brooch with Diamonds and Rock Crystal$9,250Diamond DepotNew York, NY
May 28, 2026Art Deco Platinum 8.00 Ct. Diamond BroochEst. $8,100-$1,000,000$8,000IntervendueMIAMI, FL
Buy Now18K White Gold 3.0ct Diamond and Sapphire Art Deco Brooch$5,000Eastern European Art Gallery IncBroomall, PA
May 31, 2026ART DECO PLATINUM AND DIAMOND BROOCHEst. $7,140-$7,980$5,800Modern JewelryValley Village, CA
Ends in 1d 10hArt Deco Prime swordfish marlin brooch Enamel 14kt**Est. $2,000-$2,500$900Chairish AuctionsNew York, NY
May 28, 2026Art Deco Platinum Brooch with 77 Diamonds 4.50 Ct E-G VVS-VSEst. $5,671-$6,379$1,950Diamond DepotNew York, NY
May 28, 2026Art Deco Platinum 5.70 Ct. Diamond BroochEst. $7,700-$1,000,000$7,600IntervendueMIAMI, FL
Buy NowArt Deco Platinum Brooch with 2.00 Ct Sapphires and 4.00 Ct Diamonds$4,350Diamond DepotNew York, NY
May 28, 2026Art Deco Platinum 7.55 Ct. Diamond BroochEst. $8,350-$1,000,000$8,200IntervendueMIAMI, FL
May 29, 2026Platinum and 18K Gold Art Deco Diamond Clip Brooch with 7 Carats Old Mine StonesEst. $12,476-$14,035$4,800Diamond DepotNew York, NY
3 days LeftAntique Art Deco 14k White Gold Carved Cameo Shell BroochEst. $1,198-$1,348$470Diamond DepotNew York, NY