This Tiffany & Co. set is composed of a crisscross ring and a fitted band. Both are made of platinum and weigh a total of 8.1 DWT (approx. 12.6 grams). It contains a blue tanzanite weighing 1.08 ct. accented by 19 round cut diamonds H color, VS clarity weighing 0.44 CTTW. Original box and papers included.