Violet Blue Square Cushion Tanzanite Gemstone 1.94 CaratsOne 1. 94 carats square cushion tanzanite, violet blue vivid (10% 90%) mostly blue color, VS1 clarity, cut grade very good, measuring 7. 4 mm wide, 7. 4 mm long, 4. 7 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 63. 5%, table width 51. 3%. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This Gemstone? Did you know that we design custom Tanzanite jewelry? We