Blue Violet Round CutTanzanite Gemstone 2.18 CaratsOne 2. 18 carats round brilliant cut tanzanite, blue violet exceptional (50 50) color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 8. 5 mm wide, 8. 5 mm long, 5. 1 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 60%, table width 58. 8%. The overall quality rating of this tanzanite is 958 out of 1000. Tanzanite is color enhanced by heating. A recut by Steve Moriarty.