Tiffany & Co Oval Cut Diamond & Black Onyx Ring 1754 21 carat EGL certified emerald

21 carat EGL certified emerald cut diamond with H-I color and VS1 clarity

Circa 1929

Antique Art Deco engagement ring made in platinum and centered with an approximately 1

Each side set enhanced by 3 collet-set old European-cut diamonds

15 carats with EGL certificate stating the diamond is H-I color/VS2 clarity

Tiffany & Co Oval Cut Diamond & Black Onyx Ring 1754 21 carat EGL certified emeraldArt Deco Tiffany & Co ring centering on an oval cut diamond weighing approximately 0. 90 carat with an EGL certificate stating the diamond is E F color VS1 clarity, surrounded by 8 fancy cut black onyx and 20 single cut diamonds. Set in platinum. Signed Tiffany & Co. Circa 1920. Onyx and diamond rings are synonymous with the Art Deco period. This is vintage Tiffany at it's finest. The profile elongates the hand. Diamond and gold mining has caused