One 9.64 carats oval tanzanite, violet blue exceptional (30%/70%) more blue color, VS1 clarity, cut grade excellent, measuring 11.7 mm wide, 13.8 mm long, 8.9 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 76.1%, table width 49.6%. The overall quality rating of this tanzanite is 980 out of 1000. Tanzanite is color enhanced by heating. Rf