GIA 13.56CT Natural Tanzanite Excellent Octagonal Modified brilliant cut Clean VS Clarity Best color D-Block Classic GIA "Violetish Blue" Measures: 15.09 X 11.35 X 9.10 mm Diamonds: 1.50ct. Rounds and full cuts G-color, Vs-2 clarity 15.1 grams 18kt. white gold Head of ring: 22.4 X 16.1 mm depth: 9mm current ring size: 6 & can be resized, please inquire first. Ring is gorgeous made, comfortable made to allow the surrounding fingers to rest within groove. $33,000 appraisal will accompany with GIA report.