One 53.65 carats round brilliant cut tanzanite, blue violet exceptional (50/50) color, VS1 OR BETTER clarity, cut grade excellent, measuring 22.2 mm wide, 22.1 mm long, 15.8 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 71.33%, table width 57.8%. The overall quality rating of this tanzanite is 990 out of 1000. Tanzanite is color enhanced by heating. The finest color, outstanding brilliance and amazing red flash. In its size range this stone has no equal.