4 days LeftEstate Platinum Brooch with 6.00 Carat Diamond Floral Spray DesignEst. $8,944-$11,627$100BidhausNew York, NY
4 days LeftVINTAGE PLATINUM 1.0CT DIAMOND AND SAPPHIRE BROOCHEst. $1,400-$5,600$1,400Robinhood AuctionsLas Vegas, NV
6 days LeftArt Deco Platinum Diamond Brooch 18.40 Ct 230 Diamonds I VVS F-I VS1-SI1Est. $21,164-$27,513$100BidhausNew York, NY
Jul 21, 2026Art Deco Platinum Brooch with 116 Diamonds 9.00 CtEst. $14,924-$19,401$100BidhausNew York, NY
4 days LeftPlatinum Brooch with 23 Sapphire and Diamond Leaf DesignEst. $7,579-$9,852$100BidhausNew York, NY
4 days LeftPLATINUM 0.85CT DIAMOND AND EMERALD BROOCHEst. $1,300-$5,200$1,300Robinhood AuctionsLas Vegas, NV
6 days Left1960's Platinum Diamond Brooch 12.00 Ct with 31 Round DiamondsEst. $10,842-$14,094$100BidhausNew York, NY
2 days LeftArt Deco Platinum Brooch with 129 Diamonds 7.75 Ct F-H VS1-SI1Est. $6,162-$8,010$100BidhausNew York, NY
3 days Left1960's Platinum Diamond Brooch 7.25 Ct F-H Color VVS-VS ClarityEst. $5,473-$7,114$100BidhausNew York, NY
2 days LeftAntique Platinum Brooch with 3.00ct Old Mine DiamondsEst. $5,551-$7,216$100BidhausNew York, NY
2 days Left1950's Platinum Brooch 7.70 Ct Diamonds F-G VVS-VSEst. $6,630-$8,619$3,550BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch with Sapphires and Diamonds in Original BoxEst. $10,569-$13,739$100BidhausNew York, NY
4 days Left18K YELLOW GOLD AND PLATINUM 0.70CT DIAMOND AND RUBY BROOCHEst. $2,000-$8,000$2,000Robinhood AuctionsLas Vegas, NV
4 days LeftVintage 7.50ctw Diamond Floral Brooch in Platinum and 14k White GoldEst. $10,569-$13,739$6,000BidhausNew York, NY
3 days LeftPlatinum Brooch with 5.00 Ct Diamonds and 3 PearlsEst. $5,408-$7,030$100BidhausNew York, NY
4 days LeftArt Deco Platinum Brooch with Diamonds Emerald and Rubies by Walser WaldEst. $5,408-$7,030$100BidhausNew York, NY
3 days LeftVintage Art Deco 18K Gold Platinum Diamond Brooch 37 Diamonds G-H VVS-VS2Est. $4,394-$5,712$100BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch with 5.00ct Diamond and Pearl Flower DesignEst. $8,060-$10,478$100BidhausNew York, NY
5 days LeftArt Deco Platinum Brooch with 144 Diamonds and 16 SapphiresEst. $10,907-$14,179$100BidhausNew York, NY
4 days LeftArt Deco Platinum Brooch with 10mm Pearl and 6 Carats DiamondsEst. $9,282-$12,066$100BidhausNew York, NY
2 days LeftSpaulding Art Deco Platinum Brooch with Green Tsavorite and 2 Carats of DiamondsEst. $7,930-$10,309$100BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch 2.00 Ct European-Cut DiamondsEst. $2,691-$3,498$1,725BidhausNew York, NY
3 days LeftPlatinum Brooch with 3.60 Carat Diamonds Retro DesignEst. $4,329-$5,627$100BidhausNew York, NY
3 days LeftVintage Handmade Platinum Brooch 20.50ct GIA Aquamarine & DiamondEst. $5,811-$7,554$100BidhausNew York, NY