For Ann Violet Blue Antique Cushion Tanzanite Gemstone 1.82 CaratsOne 1. 82 carats antique cushion tanzanite, violet blue vivid (25% 75%) more blue color, VS1 clarity, cut grade good to very good, measuring 6. 4 mm wide, 8. 4 mm long, 4 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 62. 5%, table width 54. 7%. The overall quality rating of this tanzanite is 910 out of 1000. Tanzanite is color enhanced by heating. The price is for the completed solitaire