Blue Violet Emerald Cut Tanzanite Gemstone 7.96 CaratsOne 7. 96 carats emerald cut (barbarion) tanzanite, blue violet exceptional BVE (30% 70%) color, VS1 clarity, cut grade excellent, measuring 8. 4 mm wide, 13. 5 mm long, 7. 8 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 92. 9%. Tanzanite is color enhanced by heating. The overall quality rating of this tanzanite is 978 out of 1000. Cut by Steve Moriarty. Customize a Ring or Pendant