Blue Violet Step Shield Tanzanite Gemstone 4.95 CaratsOne 4. 95 carats step shield tanzanite, blue violet exceptional color, FLAWLESS TO VVS clarity, cut grade excellent, measuring 9. 2 mm wide, 12. 2 mm long, 7. 3 mm deep; with excellent polish and excellent symmetry. Tanzanite is color enhanced by heating. The overall quality rating of this tanzanite is 980 out of 1000. Cut by Steve Moriarty Customize a Ring or Pendant with This Gemstone? Did you know that we design custom Tanzanite jewelry? We would