DEAL OF THE DAY Blue Violet Oval Tanzanite Gemstone 3.93 CaratsOne 3. 93 carats oval tanzanite, blue violet exceptional (45% 55%) color, VS1 clarity, cut grade very good, measuring 8. 5 mm wide, 10. 8 mm long, 6. 1 mm deep; with good polish and good symmetry. The proportions of the tanzanite are as follows: total depth 71. 8%, table width 48. 2%. Tanzanite is color enhanced by heating. The overall quality rating of this tanzanite is 925 out of 1000. Customize a Ring or Pendant with This Gemstone? Did you know