Violet Blue Trillant Tanzanite Gemstone 2.80 CaratsOne 2. 80 carats trilliant cut tanzanite, violet blue vivid color, FLAWLESS TO VVS clarity, cut grade very good, measuring 9. 1 mm wide, 9 mm long, 5. 7 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 62. 6%, table width 56%. The overall quality grade ot this tanzanite is 923 out of 1000. Tanzanite is color enhanced by the typical heating.