Blue Violet Trilliant Tanzanite Gemstone 3.19 CaratsOne 3. 19 carats trilliant cut tanzanite, blue violet exceptional color (30% 70%), FLAWLESS TO VVS clarity, cut grade very good, measuring 9. 1 mm wide, 9. 2 mm long, 6. 5 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 71%, table width 57. 9%. The overall quality rating of this tanzanite is 943 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This