Antique American Art Deco three diamond 18KW ring, circa 1918. This Art Deco ring is crafted in 18 karat white gold and features three old European cut diamonds at .18 carat each for a total weight of .54 carat. These diamonds have VVS2 clarity and G-H color. The diamonds are set in hexagonal settings and the ring features hand engraving. This Art Deco diamond ring is a size 5.