Designer Sonia B. 18 karat white gold and diamond band. This ring is made up of 18 karat white gold. The top of the ring is made up of nine round brilliant cut diamonds in two different sizes and is apx. 0.75 carat total weight. The diamonds are all flush set randomly across the top. To protect the bottom of the diamonds there is a fancy gallery all the way around the inside of the ring. The ring weighs apx. 7.3 grams and is apx. 7.94mm wide. The ring size is an apx. finger size 6. Stamped on the inside of the shank is Sonia B. 18k.