Blue Violet Round Brilliant Cut Tanzanite Gemstone 9.25 CaratsOne 9. 25 carats round brilliant cut tanzanite, blue violet exceptional color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 12. 2 mm wide, 12. 2 mm long, 9. 2 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 75. 4%, table width 51. 6%. The overall quality rating of this tanzanite is 984 out of 1000. Tanzanite is color enhanced by heating.