4 days LeftRaymond C. Yard 1940s Platinum Diamond Fan Clip Brooch 2.5 CtsEst. $7,579-$9,852$100Mynt AuctionsNew York, NY
5 days LeftTacori Platinum and Diamond Bridal Setting Ring and Band SetEst. $1,400-$1,900$950Hampton Estate AuctionNew York, NY
4 days LeftSouth Sea Pearl and Diamond Platinum Drop Earrings with Marquise and Round StonesEst. $17,641-$22,933$100Mynt AuctionsNew York, NY
2 days LeftPlatinum GIA Certified 3.5ct Royal Blue Burma Sapphire Diamond RingEst. $14,378-$18,691$100Mynt AuctionsNew York, NY
Jul 10, 2026NWT Platinum 16.10 CT Tanzanite & 1.39 CTW Diamond Ring; Sz 5.5Est. $29,610-$35,000$1001111 Jewelry Store, LLCOwens Cross Roads, AL
11 hrs LeftPlatinum 1.50 Ct Princess-cut Diamond Eternity BandEst. $1,885-$2,450$100Mynt AuctionsNew York, NY
1 day LeftTiffany Bezel Cross Diamond Pendant Necklace in Pt950 PlatinumEst. $4,784-$6,219$100BidhausNew York, NY
3 days LeftAn 18K Yellow Gold Platinum Diamond and Pearl BroochEst. $400-$500$350Alma AuctioneersTel Aviv, IL
1 day LeftElegant 18K Yellow Gold Platinum Diamond Earrings 3.35 CtEst. $6,838-$8,889$100Mynt AuctionsNew York, NY
3 days LeftAn Edwardian 18K Yellow Gold Platinum Diamond and Emerald Bar BroochEst. $600-$700$450Alma AuctioneersTel Aviv, IL
3 days LeftGeorge Weil huggie clip earrings 18k yellow gold platinum ruby diamondEst. $5,720-$7,436$100BidhausNew York, NY
Jul 13, 2026GIA Black Opal 11.88ct Diamond Platinum Ballerina Ring 19.4 GramsEst. $9,000-$10,500$90Dover JewelryMiami, FL
Jul 05, 2026David Webb Platinum 18K Yellow Gold Fleur De Lis Ring with DiamondsEst. $23,881-$31,045$100BidhausNew York, NY
1 day LeftSapphire and Diamond Ring Pt900 Platinum Size 7Est. $3,068-$3,988$100Mynt AuctionsNew York, NY
Live NowPlatinum Art Deco Bracelet with 42 Diamonds and 36 SapphiresEst. $93,847-$122,001$100BidhausNew York, NY
3 days Left2016-W PROOF PLATINUM EAGLE 1 OZ FDI JOHN MERCANTIEst. $6,375-$9,350$25NY Elizabeth Beverly Hills, CA
Jul 09, 2026Platinum and Diamond Band, App. Wt.- 3.6 grams, Size- 5 1/4.Est. $400-$800$325Crescent City Auction GalleryNew Orleans, LA
5 days LeftPlatinum Ruby Briolette Necklace 80.00 Ct 39 InchesEst. $3,640-$4,732$100BidhausNew York, NY
1 day LeftDavid Webb Floral Bracelet in Platinum & 18K Yellow Gold with Rock Crystal & LapisEst. $38,831-$50,480$100(1 bid)Mynt AuctionsNew York, NY
3 days Left1999-W PROOF PLATINUM EAGLE 1/2 OZ MIKE CASTLEEst. $3,225-$4,730$25NY Elizabeth Beverly Hills, CA
4 days LeftVintage Platinum Coral Ring with Baguette Diamonds Size 7.75Est. $8,086-$10,511$100BidhausNew York, NY