Buy it here →One 8.08 carats square step cut tanzanite, blue violet exceptional (30%blue/70% violet) color, VS1 clarity, cut grade excellent, measuring 11.5 mm wide, 11.2 mm long, 7.7 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 67%, table width 52.2%. The overrall quality rating of this tanzanite is 977 out of 1000. Tanzanite is heated to enhance color.