Jul 26, 2026Victorian Platinum Crown Brooch 5.25ct Diamond EleganceEst. $6,565-$8,534$100BidhausNew York, NY
Jul 28, 2026Elegant Platinum Brooch with 15 Carats Diamonds and EmeraldsEst. $23,881-$31,045$100BidhausNew York, NY
Jul 25, 2026Art Deco Platinum Brooch 2.00 Ct European-Cut DiamondsEst. $2,691-$3,498$100BidhausNew York, NY
2 days LeftArt Deco Platinum 6.25 Ct Diamond Brooch with 73 DiamondsEst. $6,084-$7,909$100BidhausNew York, NY
Jul 27, 2026Stunning Art Deco 25 Carat Emerald Diamond Platinum BroochEst. $51,051-$66,366$100BidhausNew York, NY
4 days LeftDavid Webb Platinum 18K Gold Black Enamel Goat Diamond Brooch 4 CtsEst. $44,265-$57,544$100(1 bid)BidhausNew York, NY
Jul 25, 2026Art Deco Platinum Brooch with 65 Diamonds and 22 SapphiresEst. $4,459-$5,796$100BidhausNew York, NY
6 days LeftArt Deco Platinum Brooch 19.40 Ct Diamond EleganceEst. $25,792-$33,529$100BidhausNew York, NY
7 days LeftArt Deco Platinum Brooch 4.75 Ct Diamonds E-G VVS-VS 2.25 inEst. $6,084-$7,909$100BidhausNew York, NY
Jul 23, 2026Platinum Sunflower Brooch 20 Carat Diamond EleganceEst. $25,246-$32,819$100BidhausNew York, NY
Jul 26, 2026Art Deco Vintage Platinum Diamond Brooch 10.50ct Split DesignEst. $12,038-$15,649$100BidhausNew York, NY
15 hrs LeftVintage French 1950 Platinum Diamond Clip Brooch Necklace 8 ctEst. $30,537-$39,698$100Mynt AuctionsNew York, NY
Jul 21, 2026Art Deco Platinum Brooch with 1.10 Ct Diamond and 148 European-Cut DiamondsEst. $11,596-$15,074$100BidhausNew York, NY
Live NowPlatinum Art Deco Brooch with 3.50 Carat Diamonds and SapphiresEst. $4,732-$6,151$100BidhausNew York, NY
21 hrs LeftPlatinum Art Deco Brooch With 5.20 Carats Diamonds 3.25 InchEst. $7,176-$9,328$100BidhausNew York, NY
Jul 22, 2026Stunning Platinum Diamond Brooch 16.50 Ct F-H VVS-VSEst. $25,246-$32,819$100BidhausNew York, NY
Jul 25, 2026Art Deco Platinum Pendant Brooch with Diamonds and SapphiresEst. $9,347-$12,151$100BidhausNew York, NY
Jul 30, 2026Art Deco Platinum Diamond Brooch 19.80 Ct Total WeightEst. $23,881-$31,045$100BidhausNew York, NY
2 days Left18K Gold Platinum Ruby Diamond Large Flower Brooch Pendant VintageEst. $9,620-$12,506$100BidhausNew York, NY
Jul 31, 20261950s Platinum Brooch with Colombian Emeralds and DiamondsEst. $9,490-$12,337$100BidhausNew York, NY
4 days LeftAGL Certified Retro Brooch with Sapphire Ruby Diamond in 18K Gold and PlatinumEst. $23,881-$31,045$100BidhausNew York, NY
2 days LeftFrench 950 Platinum Diamond Necklace Brooch 5 ct G VS DiamondsEst. $7,501-$9,751$100Mynt AuctionsNew York, NY
2 days LeftArt Deco 14K Yellow Gold Platinum Pearl Diamond Brooch 4.00 CtEst. $7,722-$10,038$100BidhausNew York, NY
2 days LeftPlatinum Art Deco Brooch with 6.25 Carat Diamonds and Center StoneEst. $5,824-$7,571$100BidhausNew York, NY