Buy it here →One 3.19 carats oval tanzanite, blue violet exceptional (30%/70%) more violet color, VS1 clarity, cut grade excellent, measuring 8.1 mm wide, 10.8 mm long, 5.3 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 65.4%, table width 51.8%. The overall quality rating of this tanzanite is 970 out of 1000. Tanzanite is color enhanced by heating. Rf