Blue Violet Round Brilliant Cut Tanzanite Gemstone 2.17 CaratsOne 2. 17 carats round brilliant cut tanzanite, blue violet exceptional color, FLAWELSS TO VVS clarity, cut grade very good, measuring 7. 4 mm wide, 7. 4 mm long, 5. 6 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 75. 6%. The overall quality rating of this tanzanite is 915 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This Gemstone? Did you know