6 days Left1950s Platinum 18K Yellow Gold 4 Carat Diamond Bow BroochEst. $5,213-$6,776$100BidhausNew York, NY
4 days LeftGIA Certified 2.69ctw Black Opal Diamond Halo Platinum RingEst. $2,964-$3,853$100BidhausNew York, NY
5 days LeftDavid Webb Vintage Oversized Ring Platinum 18K Gold Turquoise Emerald DiamondEst. $49,023-$63,729$100BidhausNew York, NY
2 days LeftAntique Art Deco Platinum Eternity Wedding Band with 1.00ctw DiamondsEst. $2,015-$2,619$100Mynt AuctionsNew York, NY
5 days LeftJean Vitau 1970s Platinum Clip-On Earrings 9.5 Carat DiamondsEst. $17,095-$22,223$100BidhausNew York, NY
6 days LeftVintage Platinum Palladium 0.40ctw 3 Row Pave Diamond Band RingEst. $1,716-$2,230$100BidhausNew York, NY
Jul 10, 2026Platinum 9.09ct Green Tourmaline Diamond Pendant Necklace AdjustableEst. $2,483-$3,227$100BidhausNew York, NY
5 days LeftDavid Webb 1960s Platinum 18K Gold Diamond Openwork Bracelet 8 CtsEst. $34,073-$44,294$100BidhausNew York, NY
3 days LeftTiffany&Co. Necklace Diamond 0.20Ct I If 3Ex Soleste 950 PlatinumEst. $3,625-$4,350$970SEUYCORaleigh, NC
5 days LeftEdwardian Platinum 0.36ct Fancy Yellow Diamond Pendant NecklaceEst. $1,534-$1,994$100Mynt AuctionsNew York, NY
5 days LeftPlatinum Engagement Ring with 0.93ct Round Diamond Tiffany CertificateEst. $9,282-$12,066$100BidhausNew York, NY
6 days LeftPlatinum GIA Certified Vivid Pink Oval Sapphire Diamond Stackable RingEst. $2,249-$2,923$100BidhausNew York, NY
3 days LeftPLATINUM VINTAGE ENGAGEMENT RING 0.99CT.NATURAL OLD EURO ROUND DIAMOND GIA CERTEst. $6,545-$7,315$5,300Modern JewelryValley Village, CA
6 days LeftPlatinum Art Deco Croton Diamond Wristwatch with Black Cord StrapEst. $1,534-$1,994$100BidhausNew York, NY
7 days LeftEdwardian Era Drop Earrings with Platinum Gold Greek Key Filigree and DiamondsEst. $2,015-$2,619$100BidhausNew York, NY
5 days LeftScott Kay Men's Platinum Wide Wedding Band Ring with .24ct Diamonds Sz 9Est. $2,015-$2,619$100BidhausNew York, NY
Jul 10, 2026Platinum Engagement Ring With 1.59ct Round Diamond Tiffany CertificateEst. $24,570-$31,941$100BidhausNew York, NY
Jul 10, 2026David Webb 18K Yellow Gold Platinum Diamond Pave Dome Ring 10 CtsEst. $33,397-$43,416$100BidhausNew York, NY
Jul 10, 2026Van Cleef & Arpels Platinum Diamond Brooch 12.50 cttw Signed VCAEst. $48,685-$63,290$100BidhausNew York, NY
6 days LeftPlatinum GIA Certified 1.14ct Pink Sapphire Diamond East West RingEst. $2,353-$3,058$100BidhausNew York, NY
Jul 10, 2026David Webb Platinum 18K Yellow Gold Ruby Diamond BraceletEst. $29,315-$38,109$100BidhausNew York, NY
1 day LeftCertified 5.58 Ctw VS/SI1 Tanzanite And Diamond 14K Yellow Gold plated PlatEst. $6,880-$11,880$600Papps Family LiquidationBurbank, CA
Jul 10, 2026Mid Century Diamond Ribbon Brooch in Platinum and White Gold 7.47ctwEst. $12,480-$16,224$100BidhausNew York, NY
Jul 10, 20261970s Platinum 18K Yellow Gold 25 Carat Diamond Flower BroochEst. $44,265-$57,544$100BidhausNew York, NY