Starts in 5 daysTiffany Co GIA 4.87 Ct Diamond Engagement Ring Platinum Size 5Est. $254,942-$374,764Starting Bid$134,000New York, NYDiamond Depot4.3(16)
Nov 10, 2026Tiffany & Co. Platinum Engagement Ring with 1.20 CT DiamondEst. $7,600-$11,400Starting Bid$3,800Aventura, FLWinbids Auctions4.4(33)
Starts in 2 daysTiffany & Co. Lucida Diamond Ring Platinum Engagement Solitaire StyleEst. $4,275-$4,845Starting Bid$550Boca Raton, FLPlatinum Auction Group4.4(78)
Nov 12, 2026Tiffany & Co Diamond Engagement Ring Platinum 1.34ct H VVS2 Size 8.25 RG5163Est. $13,500-$17,500Starting Bid$25Lakeway, TXEco Estate Jewelry4.3(7)
Nov 12, 2026Antique Tiffany & Co Diamond Engagement Ring Platinum 2.15ct GIA Sz 5.75 RG4954Est. $45,000-$58,500Current Bid - 1 bid$25Lakeway, TXEco Estate Jewelry4.3(7)
Nov 16, 2026Tiffany & Co. Platinum 1.23 Carat Diamond Engagement RingEst. $9,000-$10,000Current Bid - 2 bids$825Miami, FLDover Jewelry4.5(27)
Starts in 1 hrPlatinum Engagement Ring Tiffany & Co. 1.59 ct Round Diamond Size 6Est. $24,570-$31,941Starting Bid$100New York, NYMynt Auctions4.5(938)
Nov 12, 2026Tiffany & Co Diamond Solitaire Engagement Ring Platinum .31ct G VS1 Sz 5 RG4246Est. $2,500-$3,200Starting Bid$25Lakeway, TXEco Estate Jewelry4.3(7)
Nov 12, 2026Tiffany & Co Diamond Engagement Ring Platinum .62ct H VS1 Size 5.5 RG4247Est. $4,800-$6,000Starting Bid$25Lakeway, TXEco Estate Jewelry4.3(7)
Nov 12, 2026Tiffany & Co Diamond Solitaire Engagement Ring Platinum .31ct G VS1 5.5 RG4221Est. $2,500-$3,200Starting Bid$25Lakeway, TXEco Estate Jewelry4.3(7)
Starts in 4 hrsTiffany & Co. Vintage 0.67ctw GIA Diamond Solitaire Engagement Ring in PalladiumEst. $7,068-$10,390Starting Bid$100New York, NYDiamond Depot4.3(16)
Nov 12, 2026Tiffany & Co Diamond Solitaire Engagement Ring Platinum .33ct G VS1 5.75 RG4245Est. $3,000-$3,900Starting Bid$25Lakeway, TXEco Estate Jewelry4.3(7)
Starts in 6 daysTiffany & Co. 1 ct VS2 Round Diamond Engagement Ring 18kEst. $14,781-$19,215Starting Bid$100New York, NYMynt Auctions4.5(938)
Buy NowTiffany & Co. Platinum 1.13ct Diamond H VS1 XXX Engagement Ring Cert$13,416Feasterville, PAFortrove - Fine Jewelry4.3(11)
Starts in 1 hrTiffany & Co Platinum Engagement Ring 0.40ct Princess Cut Diamond Size 4Est. $5,096-$6,624Starting Bid$100New York, NYMynt Auctions4.5(938)
Nov 17, 2026Louis Comfort Tiffany (1848-1933) Rare Art Nouveau Favrile Pottery Vase Depicting Wisteria Seedpods,Est. $6,000-$10,000Starting Bid$5,900New York, NYSeven's4.4(18)
Nov 10, 2026TIFFANY & CO.. 1.51 CARAT F-VS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $53,800-$60,129Starting Bid$44,250Valley Village, CAModern Jewelry4.5(222)
Nov 19, 2026TIFFANY & CO VINTAGE PLATINUM 18K GOLD ENGAGEMENT RING 2.98CT.NATURAL RUBY GIAEst. $66,215-$74,005Starting Bid$54,500Valley Village, CAModern Jewelry4.5(222)
Starts in 2 daysTiffany & Co. Platinum Round Cut Diamond Engagement Ring 0.49ctwEst. $5,733-$7,452Starting Bid$100New York, NYMynt Auctions4.5(938)
Starts in 6 daysTiffany & Co. Vintage Platinum GIA 1.52ct Oval Diamond Engagement RingEst. $25,042-$36,812Starting Bid$100New York, NYDiamond Depot4.3(16)
Starts in 2 daysPlatinum Engagement Ring Tiffany and Co 1.03ct E VS1 Diamond Size 6Est. $9,893-$12,860Starting Bid$7,600New York, NYBidhaus4.2(885)
Nov 10, 2026TIFFANY & CO 1.16CT OLD MINER CUT DIAMOND PLATINUM VINTAGE ENGAGEMENT RINGEst. $23,154-$25,878Starting Bid$19,000Valley Village, CAModern Jewelry4.5(222)
Nov 14, 2026Tiffany & Co 1.76 ct. Natural Round Diamonds Engagement Ring Set in PlatinumEst. $7,199-$8,239Starting Bid$2,200South Beloit, ILCB Diamond Studio LLC
Nov 10, 2026TIFFANY & CO 2.15 CARAT ROUND BRILLIANT H VVS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $55,000-$61,470Starting Bid$45,250Valley Village, CAModern Jewelry4.5(222)