One 11.87 carats shield tanzanite, blue violet exceptional (50/50) color with extra-ordinary intense red flash, VS1 or better clarity, cut grade excellent, measuring 16.5 mm wide, 12.7 mm long, 9.2 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 72.4%. The overall quality rating of this tanzanite is a perfect 1000 out of 1000. This tanzanite is color enhanced by heating. Cut by Steve Moriarty.