This is an amazing 18k white gold cocktail ring. The ring is set with sparkling round cut diamonds that weigh 3.57ct. The color of these diamonds is F-G with VS clarity. The top of the ring measures 21mm by 16mm. The ring is stamped K18 1.80ct 1.77ct and weighs 7.3 grams. The ring is size 6 1/2 but it can be resized.