1 day LeftPlatinum Solitaire Engagement Ring With 1.05ct Round Diamond Size 3.5Est. $15,392-$20,009$100(1 bid)Mynt AuctionsNew York, NY
Jun 10, 2026TIFFANY & CO. DIAMOND 0.85CT G VVS PLATINUM KNIFE EDGE SOLITAIRE RING GIAEst. $17,413-$19,461$14,250Modern JewelryValley Village, CA
9 hrs LeftVintage Tiffany & Co Platinum Engagement Ring 0.85ct. Natural Diamond size 7Est. $9,350-$10,450$7,700Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO. DIAMOND SOLITAIRE PENDANT PRINCESS CUT 1.15CT PLATINUM CHAINEst. $15,936-$17,811$13,000Modern JewelryValley Village, CA
12 hrs LeftTiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $28,620-$33,771$8,200Diamond DepotNew York, NY
Jun 14, 2026TIFFANY & CO SOLITAIRE RING PLATINUMEst. $14,925-$21,890$25NY Elizabeth Beverly Hills, CA
Live NowTiffany & Co. 0.91 ct Round Diamond Engagement Ring PlatinumEst. $10,504-$13,655$100BidhausNew York, NY
Jun 14, 2026TIFFANY & CO.. 0.92 E-VVS2 DIAMOND PLATINUM ENGAGEMENT RINGEst. $17,000-$19,000$14,000Modern JewelryValley Village, CA
Jun 16, 2026TIFFANY & CO. PLATINUM RING, SOLITAIRE 1.01CT ROUND DIAMOND ( SIZE: 4.25 ) 4.2GEst. $15,300-$17,100$12,500Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO 1.15 CARAT ROUND BRILLIANT H VS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $17,000-$19,000$14,000Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO.. 0.75 CARAT F-VVS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $13,000-$14,529$10,500Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO. RING LEGACY DIAMOND PLATINUM ENGAGEMENT SIZE 5.75Est. $14,543-$16,254$11,750Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO.. 0.85 CARAT ROUND BRILLIANT G-VVS1 DIAMOND PLATINUM RINGEst. $12,500-$13,971$10,250Modern JewelryValley Village, CA
Buy NowTiffany & Co. 0.95 ct VS1 Round Brilliant Diamond Engagement Ring in Platinum$8,690(25 bids)BidhausNew York, NY
4 days LeftTiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $17,225-$22,392$100BidhausNew York, NY
Jun 14, 2026TIFFANY & CO.. 0.60 CARAT I-VVS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $11,000-$12,294$9,000Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO. SOLITAIRE RING 0.47CT PEAR SHAPE DIAMOND PLATINUM SIZE 7 W/GIAEst. $8,353-$9,336$6,800Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO. 0.41CT DIAMOND PLATINUM KNIFE EDGE SOLITAIRE RING SIZE 4.5Est. $8,141-$9,099$6,700Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO. RING PICASSO BLUE GEMSTONE 18K WHITE GOLD SIZE 6Est. $8,204-$9,170$6,700Modern JewelryValley Village, CA
Jun 14, 2026TIFFANY & CO. 0.81 CARAT CUSHION BRILLIANT H VVS2 DIAMOND PLATINUM RINGEst. $11,900-$13,300$9,800Modern JewelryValley Village, CA
3 days LeftTiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $17,225-$22,392$100Mynt AuctionsNew York, NY
Jun 14, 2026TIFFANY SOLITAIRE DIAMOND RING PT950Est. $22,200-$32,560$25NY Elizabeth Beverly Hills, CA