Natural Tanzanite diamond ring. Excellent rare Square Ascher cut Clean VVS Clarity Best color D-Block Classic GIA "Violetish-Blue" Measures: 15.05 X 15.02 X 6.52 mm Diamonds: 8.75ct. Rounds and full cuts D-F colors, Vs-1 clarity Selected from finest parcels. Bead set with precision, by hand. 22.2 grams 18kt. white gold Deck of ring: 10.5 X 10.1 Inch depth: .38 Inch current ring size: 6.5 & can be resized,