Asch Grossbardt, Onyx, Mother-of-Pearl, and Yellow Gold RingEstimate: $800 - $1,200Current Bid - 1 bid$400Chicago, ILFreeman's4.5(1.7k)
Marlene Stowe, Onyx, Diamond, and Yellow Gold RingEstimate: $1,000 - $2,000Starting Bid$500Chicago, ILFreeman's4.5(1.7k)
Modernist Yellow Gold and Onyx RingEstimate: $600 - $800Starting Bid$325Astoria, NYAuctions at Showplace4.6(856)
14K Yellow Gold, White Gold, Diamond & Black Onyx RingEstimate: $400 - $600Starting Bid$300Pittsfield, MAFontaine's Auction Gallery4.6(374)
10 kt gold onyx-signet ring, approx. 1900Estimate: €360 - €1,440Starting Bid€360Mutterstadt, RPHenry's Auktionshaus AG4.3(212)
1959 10K Gold & Onyx Michigan College Class RingEstimate: $600 - $800Current Bid - 4 bids$375Rock Hall, MDBayside Auctions4.5(146)
Antique Art Deco 10K Tri Color Gold diamond Black Onyx OES Masonic Star Ring Size 4 Petite SizeEstimate: $299 - $598Current Bid - 2 bids$54Urbana, OHGolden Age Jewelry Auctions4.6(105)
Art Deco 10K Yellow Gold Onyx & Diamond RingEstimate: $250 - $400Current Bid - 2 bids$50Rock Hall, MDBayside Auctions4.5(146)
14K Gold Black Onyx and Diamond RingEstimate: CA$100 - CA$50,000Current Bid - 1 bidCA$100Montreal, QuebecKavanagh Auctions4.6(418)
Cartier Panthere Diamond Pave Emerald Onyx 18K White Gold RingEstimate: $7,500 - $9,500Starting Bid$1,000Tokyo, Setagaya CityVictorins Auctions4.5(71)
Van Cleef & Arpels Vintage Black Onyx Green Chalcedony Diamond Pave 18K Gold Cocktail Ring US Size 6Estimate: $10,000 - $15,000Starting Bid$1,000Tokyo, Setagaya CityVictorins Auctions4.5(71)
14K YELLOW GOLD MODERNIST ONYX LADIES RINGEstimate: $450 - $10,000Starting Bid$110Tallahassee, FLFlorida Estate Sales Inc.4.3(493)
Vintage 14K Gold Black Onyx Classical Cameo RingEstimate: $400 - $500Starting Bid$200Warminster, PAStenella Auctions4.4(13)
Ends in 7d 3hVintage c.1973 9ct Gold Onyx and Diamond Inlay Signet RingEstimate: £200 - £300Starting Bid£100 Gloucestershire Banks Jewellery Auctions4.4(16)
Starts CHUNKY 9CT YELLOW GOLD ONYX SIGNET RING WITH SWIRL DESIGN SHOULDERSEstimate: £150 - £200Starting Bid£70 Gloucestershire Banks Jewellery Auctions4.4(16)
14K YELLOW GOLD ONYX, QUARTZ & DIAMOND BOMBE RINGEstimate: $2,000 - $3,000Starting Bid$1,000Denver, PADan Morphy Auctions4.3(1.4k)
Yellow Gold, Onyx, Enamel Ladies High School RingEstimate: $300 - $500Starting Bid$175Astoria, NYAuctions at Showplace4.6(856)
Gold, Black Onyx, and Diamond RingEstimate: $50 - $25,000Starting Bid$50Hillsborough, NCLeland Little4.6(759)
Starts 9ct Gold Onyx Signet RingEstimate: £150 - £200Starting Bid£70 Gloucestershire Banks Jewellery Auctions4.4(16)
10K Yellow Gold Onyx Bird Openwork Signet RingEstimate: $30 - $5,000Starting Bid$15Ottawa, ILMatthew Bullock Auctioneers4.6(2.2k)
Van Cleef & Arpels Cosmos 18K White Gold Diamond and Onyx RingEstimate: $16,400 - $18,350Starting Bid$13,000Broomall, PAEastern European Art Gallery Inc4.3(4)
Bvlgari Serpenti 18K Rose Gold Diamond and Onyx RingEstimate: $9,850 - $11,050Starting Bid$7,800Broomall, PAEastern European Art Gallery Inc4.3(4)