Violet Blue Round Brilliant Tanzanite Gemstone 1.36 CaratsOne 1. 36 carats round brilliant cut tanzanite, violet blue exceptional (40% 60%) color, VS clarity, cut grade very good, measuring 6. 8 mm wide, 6. 8 mm long, 4. 5 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 66. 17%, table width 50%. The overall quality rating of this tanzanite is 920 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This