SaveEnds in 8h 1mVintage 1930's Letter MP Initial Black Onyx Diamond Signet Ring 14K Gold 3.24 GrChairish Auctions4.5(10.4k)Est. $900-$1,100$340
Save2026Vintage 1970's Men's Black Onyx Signet Ring 14K White Gold, Size 10.75, 12.78 GrChairish Auctions4.5(10.4k)Est. $3,500-$4,000Buy Now for $2,716.00
Save7 days LeftTiffany & Co. Signet Ring - Oval, 925 Sterling Silver, Women'sSEUYCO4.6(68)Est. $650-$800$390
SaveBuy Now14k Yellow Gold Polished Brushed Finish Oval Signet Ring Size 10Diamond Depot4.3(11)$2,840
Save4 days LeftJOHN HARDY ID Silver Octagon Signet Ring with Lapis Lazuli Size 10 #82 NEWJewels For You, Inc.4.5(42)Est. $1,000-$1,500$720
SaveBuy NowAntique Art Nouveau 10k Yellow Gold Signet Ring with Black Onyx and Cubic ZirconiaDiamond Depot4.3(11)$1,320
SaveEnds in 2h 48mANTIQUE 9CT YELLOW GOLD CARNELIAN SIGNET RING WITH ORNATE SHOULDERSBanks Jewellery Auctions4.3(8)Est. £240-£340£150
Save7 days LeftVintage 19.2K Rosy Yellow Gold Engravable Signet Ring for MenDiamond Depot4.3(11)Est. $1,618-$1,958$760
Save7 days LeftArtcarved 14k Gold Vintage UT School Signet Ring with Black OnyxDiamond Depot4.3(11)Est. $1,576-$1,907$610
SaveBuy NowArtcarved 14k Gold Vintage UT School Signet Ring with Black OnyxMynt Auctions4.5(854)$940(17 bids)
Save6 days LeftVintage 14K Two Tone Gold Engraveable Signet Ring 7Diamond Depot4.3(11)Est. $1,065-$1,288$320
SaveBuy NowAntique Art Nouveau 10k Yellow Gold Signet Ring with Black Onyx and Cubic ZirconiaMynt Auctions4.5(854)$1,320(17 bids)
SaveApr 08, 2026Antique Men's 9-10K Yellow Gold Hematite Intaglio Signet RingDiamond Depot4.3(11)Est. $2,044-$2,474$620
Save2026Vintage 1930's Letter MP Initial Black Onyx Diamond Signet Ring 14K Gold 3.24 GrChairish Auctions4.5(10.4k)Est. $900-$1,100Buy Now for $716.00
SaveBuy NowTIFFANY&Co. Tiffany Signet Ring 750 18K 27.4g Yellow Gold Size 27 69764Intervendue4.5(77)$6,600(2 bids)
SaveApr 09, 202614K Gold Signet Ring featuring an oval top and floral shouldersBlue Moon Estate Sales of WestchesterEst. $325-$475$40(2 bids)
SaveBuy NowWide Yellow Gold Intaglio Carnelian and Sapphire Signet Cigar Band RingDiamond Depot4.3(11)$2,220
SaveEnds in 3h 1mChunky 8ct yellow gold signet ringBanks Jewellery Auctions4.3(8)Est. £220-£230£220(1 bid)
Save2026Antique Signet Ring Carved Carnelian 10k GoldChairish Auctions4.5(10.4k)Est. $1,500-$2,000Buy Now for $1,160.00
Save2026Satin Finish Square Signet Ring 18K White Gold, 5.14 GramsChairish Auctions4.5(10.4k)Est. $1,500-$2,000Buy Now for $1,436.00
SaveBuy NowWide Yellow Gold Intaglio Carnelian and Sapphire Signet Cigar Band RingDiamond Depot4.3(11)$2,220