Antique Art Deco three center diamond platinum ring, circa 1920. This Art Deco platinum ring features three old European cut diamonds. The center diamond is .66 carat having VVS1 clarity and G color. The side diamonds are .56 carat each having VVS2 clarity and G color. There are also six additional round brilliant diamonds at .09 carat total weight, for a total diamond weight of 1.87 carats. This high quality engagement or three stone anniversary ring is appraised at $17,534 and is a size 4.5.