Blue Violet Trilliant Tanzanite Gemstone 5.80 CaratsOne 5. 80 carats trilliant cut tanzanite, blue violet exceptional color (40% 60%) color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 11. 4 mm wide, 11. 4 mm long, 7. 8 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 68. 4%, table width 60. 5%. The overall quality rating of this tanzanite is 940 out of 1000. Tanzanite is color enhanced by heating