Blue Violet Oval Tanzanite Gemstone 3.98 CaratsOne 3. 98 carats oval tanzanite, blue violet exceptional color, FLAWLESS TO VVS clarity, cut grade very good, measuring 8. 5 mm wide, 10. 5 mm long, 6. 1 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 80. 9%, table width 52. 9%. Tanzanite is color enhanced by heating. The overall quality rating of his tanzanite is 927 out of 1000. Customize a Ring or Pendant with This Gemstone? Did