Vintage Black Onyx Mens Ring in 925 Sterling Silver – Nemesis Jewelry NYC
555Jewelry Classic Stainless Steel Rings for Men, Retro Vintage Celtic Seal Oval Diamond Cut Black Onyx Ring for Men, Signet Ring for Men, Mens Stone Ring Band, Silver, Size 8|Amazon.com
Vintage 10K Yellow Gold "T" Monogram Black Onyx Ring Size 8 Circa 1950 - Colonial Trading Company
Antique Georgian Men's Rose Gold Black Onyx B Monogram Initial Signet Ring
Men's Vintage Onyx Ring – Ringz & Tingz Jewels
Vintage 19K Dark Yellow Gold Black Onyx Ring Art Deco Style Size 8.75 Circa 1960 - Colonial Trading Company
C. 1970 Vintage Men's Black Onyx and .12 Carat Diamond Ring in 14kt Yellow Gold | Ross-Simons