A Gorgeous Antique Aquamarine Ring, Vintage Art Deco circa 1920 in White Gold, a Wonderful Wedding Ring Idea. This beautiful antique ring holds a stunning faceted aquamarine gemstone measuring about 8mm in diameter. The stone is set in a beautifully designed antique Art Deco setting composed of 14K white gold. Overall the ring measures about 3/8 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 3/4 (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.