A Stunning Vintage Diamond Wedding Ring Set in 18K White Gold, Approx. 1/2ctw. This lovely estate ring holds a traditional round cut white diamond at its center measuring about 4.2mm in diameter and estimated at about 1/2ct in diamond weight. It is joined by diamonds on the sides, for a total estimated 1/2ctw for the ring. The ring setting is composed of 18K white gold and has a classic Retro Art Deco style. Overall the ring measures about 7/32 inch long by about 3/4 inch wide from side to side. Ring Size: about 7 (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.