Blue Violet Round Tanzanite Gemstone 1.22 CaratsOne 1. 22 carats 16 mains round brilliant tanzanite, blue violet exceptional (40% 60%) color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 6. 8 mm wide, 6. 8 mm long, 4. 2 mm deep; with excellent polish and excellent symmetry. Cut by Steve Moriarty. The proportions of the tanzanite are as follows: total depth 61. 8%, table width 50%. The overall quality rating of this tanzanite is 983 out of 1000. Tanzanite is color enhanced by heating.