Violet Blue Antique Cushion Tanzanite Gemstone 17.30 Carats

One 17.30 carats antique cushion tanzanite, violet blue exceptional color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 14.3 mm wide, 15.2 mm long, 10.8 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 75.5%, table width 59%. The overall quality rating of this tanzanite is 975 out of 1000.  Tanzanite is color enhanced by heating.