ON HOLD CH Blue Violet Square Cushion Tanzanite Gemstone 2.61 CaratsOne 2. 61 carats square cushion tanzanite, blue violet exceptional color, FLAWLESS TO VVS clarity, cut grade very good, measuring 7. 8 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%. The overlall quality rating of this tanzanite is 929 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This Gemstone? Did you know that