Blue Oval Tanzanite Gemstone 9.30 CaratsWas $6772 on Sale through 1 31 2020 One 9. 30 carats oval tanzanite, blue exceptional color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 10. 7 mm wide, 14. 4 mm long, 8. 4 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 78. 5%, table width 57%. The overall quality rating of this tanzanite is 971 out of 1000. Tanzanite is color enhanced by heating. Extraoridary blue color