Blue Violet Antique Cushion Tanzanite Gemstone 2.47 CaratsOne 2. 47 carats antique cushion tanzanite, blue violet exceptional (40% 60%) color, VS1 clarity, cut grade very good, measuring 6. 7 mm wide, 9. 1 mm long, 4. 8 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 71. 6%, table width 54. 4%. The overall quality rating of this tanzanite is 930 out of 1000. Tanzanite is color enhanced by heating. Customize Earrings, a Ring or Pendant with This