1 day LeftArt Deco Platinum Brooch 27ct Diamonds Double Clip DesignEst. $61,243-$79,615$36,250BidhausNew York, NY
2 days LeftArt Deco Platinum Brooch 27.70 Ct Diamonds E-G Color VVS-VS ClarityEst. $26,871-$34,932$100BidhausNew York, NY
12 hrs LeftLFG Certified 21.70 Ct Platinum Diamond Flower BroochEst. $31,226-$40,593$100BidhausNew York, NY
2 days LeftPlatinum Brooch with 3.60 Carat Diamonds Retro DesignEst. $4,329-$5,627$100BidhausNew York, NY
3 days LeftOscar Heyman platinum diamond circle brooch 7 cttwEst. $10,296-$13,384$100BidhausNew York, NY
4 days LeftArt Deco Platinum Brooch with GIA Certified 0.81 Ct Fancy Yellow DiamondEst. $12,207-$15,869$100BidhausNew York, NY
12 hrs LeftArt Deco Platinum Heart Pendant Brooch 10.00 Ct Diamonds G-H VVS-VSEst. $10,842-$14,094$100BidhausNew York, NY
5 days LeftVan Cleef & Arpels Platinum Diamond Brooch 12.50 cttw Signed VCAEst. $48,685-$63,290$100BidhausNew York, NY
5 days LeftPLATINUM 0.85CT DIAMOND AND EMERALD BROOCHEst. $1,300-$5,200$1,300Robinhood AuctionsLas Vegas, NV
5 days LeftPLATINUM 1.50CT DIAMOND CIRCULAR BROOCHEst. $1,500-$6,000$1,500Robinhood AuctionsLas Vegas, NV
3 days LeftArt Deco Platinum Brooch 7.15 Ct Diamonds Marquise 0.65 CtEst. $6,708-$8,720$100BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch with 44 Diamonds 1.25 Ct F-G VVS-VSEst. $5,070-$6,591$100BidhausNew York, NY
1 day LeftAntique 18K Gold Platinum Diamond Pearl Brooch 2.5 InchesEst. $18,447-$23,981$100Mynt AuctionsNew York, NY
Live NowArt Deco Platinum 6.25 Ct Diamond Brooch with 73 DiamondsEst. $6,084-$7,909$100BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch 4.30 Ct Diamond 69 StonesEst. $4,602-$5,982$100BidhausNew York, NY
3 hrs LeftArt Deco Platinum Diamond Brooch 4.60 Ct GIA Certified MarquiseEst. $8,125-$10,562$100BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch 6.05 Ct Diamond 87 European-cut VVS-VSEst. $4,459-$5,796$100BidhausNew York, NY
2 days LeftLinda Lee Johnson Platinum Brooch 114 Diamonds 6.25 Ct D-F VVS-VSEst. $5,473-$7,114$100BidhausNew York, NY
4 days LeftArt Deco Platinum Brooch with 3.00 Ct Ruby and 96 DiamondsEst. $9,074-$11,796$100BidhausNew York, NY
2 days LeftPlatinum Art Deco Brooch with 3.40 Carat Diamonds 2 Inch LengthEst. $4,797-$6,236$100BidhausNew York, NY
2026Vintage 7.50ctw Diamond Floral Brooch in Platinum and 14k White GoldSee Sold PriceBidhausNew York, NY
5 days LeftArt Deco Platinum Brooch 7.70 Ct Diamonds E-G VVS-VS 2.5 inEst. $12,883-$16,747$100BidhausNew York, NY
1 day LeftArt Deco Platinum Diamond Brooch 11.15 Ct F VS1-SI2 4.75 inEst. $8,879-$11,542$100Mynt AuctionsNew York, NY
2 days LeftArt Deco Platinum Brooch with 4.50 Ct European-Cut DiamondsEst. $4,329-$5,627$100BidhausNew York, NY