A Wonderful and Rare Antique Fire Opal Ring, Retro Art Deco in Yellow Gold, Vintage circa 1950's. This beautiful estate ring holds a genuine fire opal at its center measuring about 11 x 15mm oval. These stone form during volcanic activity which leads to a chemical composition that exhibits natural colors in the light. The stone is beautifully set in yellow gold. The ring is estimated to date to the Retro Art Deco Era, circa 1950. Overall the ring measures about 11/16 inch long by about 3/4 inch wide from side to side. Ring Size: about 5 1/4 (could be resized by your jeweler or ask me about using mine before shipping). This ring was acquired through an estate collection and is in lovely vintage condition.