Tiffany & Co Oval Cut Diamond & Black Onyx Ring 1754 Each side set enhanced by

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

Spectacular rose gold cluster ring

French Art Deco engagement ring set with a step emerald-cut diamond weighing approximately 1

Antique Victorian emerald and diamond ring made in silver and gold with 3 emeralds weighing approximately

Inspiration drawn from nature was especially popular during the Art Nouveau era

Tiffany & Co Oval Cut Diamond & Black Onyx Ring 1754 Each side set enhanced byArt 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