Violet Blue Square Cushion Tanzanite Gemstone 2.93 CaratsOne 2. 93 carats square cushion tanzanite, violet blue exceptional (10% 90%) color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 8. 5 mm wide, 8. 6 mm long, 6. 3 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 73. 7%, table width 50. 3%. The overall quality rating of this tanzanite is 983 out of 1000. Tanzanite is enhanced by heating. A fine sapphire blue gem Customize a