Blue Violet Square Cushion Tanzanite Gemstone 2.56 CaratsOne 2. 56 carats square cushion tanzanite, blue violet exceptional (40% 60%) color, FLAWLESS TO VVS clarity, cut grade very good, measuring 7. 7 mm wide, 7. 8 mm long, 5. 7 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 73. 5%, table width 55. 5%. The overall quality rating of this tanzaite is 933 out of 1000. Customize a Ring or Pendant with This Gemstone? Did you know that we