Blue Violet Oval Tanzanite Gemstone 2.25 CaratsOne 2. 25 carats oval tanzanite, blue violet vivid color, VS clarity, cut grade good, measuring 7. 2 mm wide, 9. 1 mm long, 5. 1 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 70. 8%, table width 55. 5%. The overall quality rating of this tanzanite is 890 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with This Gemstone? Did you know that we design custom