Vintage Art Deco onyx & diamond platinum ring, circa 1935. This Art Deco ring features a cabochon onyx center measuring 10.40mm x 8.85mm x 5.53mm. The onyx is accented with 13 diamond accents at 1.12 carat total weight, including eight old European cuts, three old Swiss cuts, and two rose cuts. The diamonds have VS1-I1 clarity and H-J color. This beautiful ring has a fantastic openwork setting with milgrain detailing. The ring is in excellent condition, weighs 7.14 grams, and is appraised at $7,000. This Art Deco ring is a size 9.