Violet Blue Oval Tanzanite Gemstone 2.29 CaratsOne 2. 29 carats oval tanzanite, violet blue exceptional color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 7. 3 mm wide, 8. 6 mm long, 5. 3 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 72. 6%. The overall quality rating of this tanzanite is 943 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This Gemstone? Did you know that we