Tiffany & Co. Yellow Gold Onyx Men's Ring

Tiffany & Co. Art Deco Sapphire Diamond Dinner Ring

Tiffany T black onyx wire bracelet in 18k gold, medium.

David Yurman Black Onyx Signet Men's Ring in 18 Karat Gold size 11

Tiffany & Co 18K Yellow Gold Onyx Cufflinks

Onyx Rings Tiffany & Co.

Sold at Auction: Tiffany and Co - 1837 Makers - Black Onyx Signed

Diamond Coral Onyx 18KYG Contemporary Cocktail Ring – Bardys

Men's Vintage 14K Yellow Gold Black Onyx Cabochon Ring, Ring Size

Sold at Auction: Tiffany and Co - 1837 Makers - Black Onyx Signed

Gents Onyx Diamond 14 Karat Yellow Gold Greek God Vintage Ring

Rings Tiffany & Co. Tiffany 1837® Makers Black Onyx Signet Ring

Tiffany and Company Gents yellow Gold and Onyx Ring at 1stDibs

Classic Gentleman's Ring By Tiffany & Company, 18K yellow Gold and set with an onyx. Finger Size = 10.

Tiffany & Company Gents yellow Gold & Onyx Ring

Men's Onyx and Diamond Retro DN Signet Ring, Monogr… - Gem