3 days LeftTiffany & Co. Platinum Solitaire Ring 1.88ct Diamond GIA CertEst. $51,766-$67,295$100Mynt AuctionsNew York, NY
3 days LeftTiffany Heart Brilliant Diamond Solitaire Platinum Ring 3.03ct GIA CertifiedEst. $61,828-$80,376$100(1 bid)Mynt AuctionsNew York, NY
1 day LeftTiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $17,225-$22,392$100Mynt AuctionsNew York, NY
14 hrs LeftTiffany & Co. Platinum Engagement Ring GIA Certified 4.87 Ct Diamond E VS2Est. $229,697-$298,606$100BidhausNew York, NY
May 19, 2026Tiffany Heart Brilliant Diamond Solitaire Platinum Ring 3.03ct GIA CertifiedEst. $61,828-$80,376$100BidhausNew York, NY
4 days LeftTiffany & Co. Vintage 0.67ctw GIA Diamond Solitaire Engagement Ring in PalladiumEst. $4,862-$6,320$100BidhausNew York, NY
May 24, 2026Tiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $17,225-$22,392$100BidhausNew York, NY
May 25, 2026Tiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA CertifiedEst. $20,553-$26,718$100BidhausNew York, NY
2 days LeftTiffany & Co. Platinum Engagement Ring GIA Certified 4.87 Ct Diamond E VS2Est. $378,116-$425,381$140,000Diamond DepotNew York, NY
11 hrs LeftTiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $28,355-$31,899$10,750Diamond DepotNew York, NY
3 days LeftTIFFANY & CO. DIAMOND 0.85CT G VVS PLATINUM KNIFE EDGE SOLITAIRE RING GIAEst. $17,413-$19,461$14,250Modern JewelryValley Village, CA
6 days LeftTIFFANY & CO 1.27 CARAT F VS1 DIAMOND PLATINUM ENGAGEMENT RING GIAEst. $27,404-$30,628$22,500Modern JewelryValley Village, CA
Jun 02, 2026Vintage Tiffany & Co Platinum Ring Natural Oval Untreated Ruby 3.00ct. GIA Cert.Est. $46,750-$52,250$38,500Modern JewelryValley Village, CA
6 days LeftTIFFANY & CO. DIAMOND RING KNIFE EDGE SOLITAIRE 1.02 CARAT GIA I VS1 IN PLATINUMEst. $21,237-$23,735$17,250Modern JewelryValley Village, CA
Buy NowTiffany Heart Brilliant Diamond Solitaire Platinum Ring 3.03ct GIA Certified$60,210Diamond DepotNew York, NY
3 days LeftTiffany & Co. Platinum Solitaire Ring 0.47ct Pear Diamond GIA Cert Size 7Est. $9,309-$10,472$3,400Diamond DepotNew York, NY
May 19, 2026Tiffany & Co. Art Deco Platinum Royal Blue Sapphire Diamond Ring GIA CertifiedEst. $33,833-$38,062$10,250Diamond DepotNew York, NY
Buy NowTiffany & Co. 1.79ct Round Diamond Engagement Ring GIA Certified$21,600Diamond DepotNew York, NY
Jun 02, 2026Victorian Tiffany & Co 18K Yellow Gold 0.78ct.Natural Burma Untreated Ruby GIAEst. $21,250-$23,750$17,500Modern JewelryValley Village, CA
Jun 02, 202610.38ct. Tiffany & Co 18K Yellow Gold Ring Natural Peridot Cushion Cut GIA CertEst. $13,515-$15,105$11,000Modern JewelryValley Village, CA
Live NowTiffany & Co. Platinum Solitaire Ring 1.88ct Diamond GIA CertEst. $51,766-$67,295$39,750BidhausNew York, NY
Buy NowTiffany & Co. Platinum Engagement Ring GIA Certified 4.87 Ct Diamond E VS2$223,660BidhausNew York, NY