A Gorgeous Antique Diamond Wedding Ring Vintage Art Deco Palladium and 14K Gold Setting, circa 1930s. This gorgeous antique ring holds a bright white diamond at its center measuring about 2.8mm in diameter. The setting has wonderful Art Deco period detailing and is composed of Palladium, a pure white fine metal related to platinum, and 14K Gold. Overall the ring measures about 5/16 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 (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.