Buy it here →One 3.72 carats portuguese round brilliant tanzanite, blue violet intense (20%/80%) more violet color, VS1 clarity, cut grade excellent, measuring 9.3 mm wide, 9.3 mm long, 6.6 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 71%, table width 48.4%. The overall quality rating of this tanzanite is 927 out of 1000.