One 2.47 carats square cushion tanzanite, blue violet vivid color, FLAWLESS TO VS1 clarity, cut grade very good, measuring 7.3 mm wide, 7.5 mm long, 5.8 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 78%, table width 58%. The overall quality rating of this tanzanite is 927 out of 1000. Tanzanites are color enhanced by heating.