This is a 18K YG Diamond Dome Ring; white & clean stones, superb quality, FVS, 2, ct tw, 5 part shank terminating to 1/2" round ball of fiery diamonds; ring sits 1/2" off of finger, 9/16" round, circa 1970, ring sizes 4 3/4, weight 11.5 grams Stock # BB73R05 18K Yellow Gold Diamond Dome Ring Circa 1970, Size 4.75