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Kentshire | An Art Deco old European cut diamond engagement ring flanked by calf's head onyx in an engraved setting, in platinum. Atw OEC: 5.60cts, K-VVS1. GIA cert 2145386332. | New York

Emerald Cut Diamond and Onyx Platinum Ring

I love love love this one! It's simple but still Art Deco. i really like the black onyx surrounding the diamond...i like it with this faded platinum or yellow gold. Emerald Cut Diamond and Onyx Platinum Ring


Art Deco Platinum, Onyx, and Diamond Brooch, set with fancy-cut black onyx, old European-cut diamond accents, millegrain details, no. 3044, lg. 2 in., maker's mark.

Set of Four Art Deco Platinum Gem-set Acrostic Stacking Rings, T.B. Starr, set with a square-cut diamond, cabochon emerald, cabochon amethyst, and fancy-cut ruby, all with conforming shoulders, spelling out “DEAR”, engraved accents, approx. size 5 1/2, signed. At Skinner.

Platinum setting, .95 carat marquise cut diamond accented with calibre cut onyx, french cut, single cut and triangle cut diamonds. Circa 1920. I love this ring!