Vintage 1930's Letter MP Initial Black Onyx Diamond Signet Ring 14K Gold 3.24 GrChairish Auctions4.5(10.4k)US$340
Vintage 1950's Men's SD Letter Black Onyx Signet Ring 10K Yellow Gold, 10.16 GrChairish Auctions4.5(10.4k)US$800
Vintage Onyx & Diamond Ring, La Triomphe (Astoria Jewelry Mfg.) 1960's-1970's, Size 6.5Chairish Auctions4.5(10.4k)US$3,800
An 18K Gold, Onyx and Diamond Ring and Earring SetJohn Moran Auctioneers, Inc.4.7(504)US$1,500(1 bid)2 days Left
Diamond and Onyx "J" Initial Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(529)US$1,1758 hrs Left
Diamond and Onyx "J" Initial Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(529)See Sold PriceMar 01, 2026
Diamond and Onyx "J" Initial Signet Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(529)US$1,1751 day Left
