FOR SHERRY: Blue Violet Square Cushion Tanzanite Gemstone 6.41 CaratsTanzanite to be set in 14k white gold ring with 4 round brilliant diamonds, refer to email. One 6. 41 carats square cushion tanzanite, blue violet exceptional color, FLAWLESS TO VVS clarity, cut grade very good, measuring 10. 4 mm wide, 10. 5 mm long, 7. 9 mm deep; with very good polish and good symmetry. The proportions of the tanzanite are as follows: total depth 75. 5%, table width 60. 5%. The overall quality rating of this tanzanite is 919 out of