Blue Violet Emerald Cut Tanzanite Gemstone 3.68 CaratsOne 3. 68 carats emerald cut tanzanite, blue violet exceptional color (45% 55%), FLAWLESS TO VVS clarity, cut grade very good, measuring 7. 2 mm wide, 9. 4 mm long, 6 mm deep; with very good polish and good symmetry. The proportions of the tanzanite are as follows: total depth 83. 3%, table width 43%. The overall quality rating of tthis tanzanite is 946 out of 1000. Tanzanite is color enhanced by heating