A Stunning Antique Diamond Wedding Ring -Engagement, Art Deco Era in 18K White Gold, c.1920. This gorgeous antique Art Deco diamond ring holds a collection of fine white, eye clean diamonds, the center diamond measuring about 3.4mm in diameter. The center diamond is joined by ten (10) additional sparkling diamonds in antique single cuts. It is estimated that there is about .37ctw in total diamond weight for the ring. The setting is beautifully styled and is composed of 18K white gold. Overall the ring measures about 5/16 inch long by about 11/16 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.