6 days Left8.22 CARAT MARQUISE & ROUND DIAMOND PLATINUM SEMI-MOUNT RING VINTAGE ESTATEEst. $24,446-$27,322$20,000Modern JewelryValley Village, CA
6 days LeftVINTAGE PLATINUM SEMI MOUNT RING WITH 1.5 CARAT DIAMONDS FITS 16.6-14.9 MM STONEEst. $18,071-$20,197$14,750Modern JewelryValley Village, CA
6 days LeftCARTIER DIAMOND SEMI MOUNT RING 18K WHITE GOLD TRILLION G VS1 VINTAGE SETTINGEst. $14,773-$16,511$12,000Modern JewelryValley Village, CA
May 24, 2026VINTAGE PLATINUM SEMI MOUNT RING WITH 2.20 CT BRILLIANT DIAMONDS FITS 4+ CARATEst. $7,327-$8,189$6,000Modern JewelryValley Village, CA
May 24, 2026VINTAGE PLATINUM SEMI MOUNT RING WITH 0.9 CARAT DIAMONDS FITS 11.61 MM+ STONEEst. $4,148-$4,636$3,400Modern JewelryValley Village, CA
May 24, 2026VINTAGE PLATINUM SEMI MOUNT ENGAGEMENT RING FOR 4.3+ CARAT DIAMOND ESTATEEst. $4,573-$5,111$3,750Modern JewelryValley Village, CA
May 24, 2026VINTAGE PLATINUM SEMI MOUNT RING WITH H VS OLD EUROPEAN CUT DIAMONDSEst. $3,927-$4,389$3,200Modern JewelryValley Village, CA
May 24, 2026VINTAGE PLATINUM SEMI MOUNT RING H SI DIAMONDS FITS 1.50CT CENTEREst. $4,216-$4,712$3,450Modern JewelryValley Village, CA
May 20, 2026Vintage Platinum 7.66ct Green Tourmaline and Diamond Cocktail RingEst. $10-$100,000$70(3 bids)Gallery 63Atlanta, GA
Jun 28, 2026Sterling Silver Elegant Art Nouveau Scrollwork Mounted Soft Pink Shell Ring Size 8Est. $50-$150$20Crafted AuctionsGermantown Hills, IL
6 days LeftPLATINUM SEMI MOUNT RING WITH 2.5 CARAT DIAMOND FITS 16.00*22.60 MM 20CT+Est. $15,946-$17,822$13,000Modern JewelryValley Village, CA
6 days LeftPLATINUM SEMI MOUNT RING WITH 1.48 CARAT PEAR SHAPED DIAMOND FITS 10.04X10.10 MMEst. $13,821-$15,447$11,250Modern JewelryValley Village, CA
6 days LeftPLATINUM SEMI MOUNT RING WITH 0.93 CARAT PENTAGONAL GIA DIAMONDS FITS 10.8X9.9MMEst. $10,523-$11,761$8,600Modern JewelryValley Village, CA
May 24, 202618K WG SEMI MOUNT RING WITH 3 CARAT DIAMOND & 2.1 CT. SAPPHIRE FITS 7.35X7.18MMEst. $9,554-$10,678$7,800Modern JewelryValley Village, CA
May 24, 2026PLATINUM SEMI MOUNT RING WITH 2.1 CARAT DIAMOND FITS 7.25X7.15MM CENTER STONEEst. $7,990-$8,930$6,500Modern JewelryValley Village, CA
May 24, 2026PLATINUM SEMI MOUNT RING WITH 0.94 CARAT PEAR DIAMOND FITS 17.3X8.9MM 5.50CT++Est. $6,375-$7,125$5,200Modern JewelryValley Village, CA
May 24, 20260.62 CT DIAMOND TWO-TONE GOLD SEMI MOUNT RING FOR 3.8+ CT EMERALD CUT STONESEst. $6,052-$6,764$4,950Modern JewelryValley Village, CA
May 24, 2026PLATINUM SEMI MOUNT RING WITH 2.16 CARAT I-SI DIAMONDS FITS 8.65X5.25MM 0.85CT++Est. $5,831-$6,517$4,800Modern JewelryValley Village, CA
May 24, 2026PLATINUM SEMI MOUNT RING WITH 0.51 CARAT TAPERED BAGUETTE DIAMONDS FITS 3.5CT++Est. $4,777-$5,339$3,900Modern JewelryValley Village, CA
May 24, 2026PLATINUM SEMI MOUNT RING WITH 0.5 CARAT H-SI DIAMONDS FITS 10.5X7.00 MMEst. $4,131-$4,617$3,400Modern JewelryValley Village, CA
May 24, 20260.67 CARAT DIAMOND 18K GOLD AND PLATINUM SEMI-MOUNT RING FITS 2.50+ CARAT STONEEst. $4,573-$5,111$3,750Modern JewelryValley Village, CA
May 24, 2026VINTAGE 1.56 CARAT H-VS1 DIAMOND PLATINUM WEDDING RINGEst. $7,429-$8,303$6,100Modern JewelryValley Village, CA
May 29, 2026Keepsake Diamond Rings Lighted Advertising SignEst. $200-$2,000$100Donley AuctionsUnion, IL
May 30, 2026Vintage Platinum Ring Set with 1.06 Ct. and 1.56 Ct. DiamondsEst. $3,000-$5,000$1,500(1 bid)Nadeau's Auction GalleryWindsor, CT