Violet Blue Oval Tanzanite Gemstone 2.32 CaratsOne 2. 32 carats oval tanzanite, violet blue exceptional color (mostly blue), FLAWLESS TO VVS clarity, cut grade very good, measuring 7 mm wide, 8. 9 mm long, 5. 3 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 75. 7%, table width 57. 1%. The overall quality rating of this tanzanite is 900 out of 1000. Tanzanite is color enhanced by heating.