PLATINUM 5.57 CT TANZANITE RING WITH DIAMONDS: 5.57 CT tanzanite is set within a diamond bezel supported by stylized diamond set shoulders. Tanzanite was graded loose in GIA report #5171871576. 86 round brilliant cut diamonds approx .61 CTW. Total weight 7.30 grams. Sold with American International Gemologists appraisal for $16,915 dated June 25, 2018 and GIA report.