Blue Violet Emerald Cut Tanzanite Gemstone 2.87 CaratsOne 2. 87 carats emerald cut tanzanite, blue violet vivid (40% 60%) color, VS1 clarity, cut grade very good, measuring 6. 8 mm wide, 8. 8 mm long, 4. 9 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 72%. The overall quality rating of this tanzanite is 913 out of 1000. Tanzanite is color enhanced by heating. Customize Earrings, a Ring or Pendant with This Gemstone? Did you know that we