Violet Blue Trilliant Cut Tanzanite Gemstone 4.78 CaratsOne 4. 78 carats trilliant cut tanzanite, violet blue exceptional (45% 65%) color, FLAWLESS TO VVS clarity, cut grade very good, measuring 11 mm wide, 11 mm long, 6. 8 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 61. 8%, table width 51. 8%. The overall quality rating of this tanzanite is 942 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This