Violet Blue Bullet Shaped Step Cut Tanzanite Gemstone 4.71 CaratsOne 4. 71 carat bullet shaped step cut tanzanite, violet blue exceptional color (more blue), VS clarity, cut grade excellent, measuring 8. 9 mm wide, 12. 6 mm long, 6 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 67. 4%, table width 39. 3%. The overall quality rating of this tanzanite is 933 out of 1000. This tanzanite is color enhanced by heating. This tanzanite cut was designed