Description: TANZANITE, DIAMOND AND EIGHTEEN KARAT GOLD RING. The 18k white gold ring with two bezel set pear-cut diamonds and 80 round-cut diamonds set around a 7.82 cts. oval-cut tanzanite. Total estimated weight for all 82 diamonds: 1.71 cttw. The ring is stamped "18K" and "TZ 7.82ct". Ring size: 7-1/2.