Blue Violet Exceptional Emerald Cut Tanzanite 12.45 CaratsOne 12. 45 carats emerald cut tanzanite, blue violet exceptional color, 10X LOUPE CLEAN clarity, cut grade very good, measuring 11. 7 mm wide, 14. 6 mm long, 8. 3 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 71%, table width 47%. An outstanding tanzanite with an overall quality rating of 967 out of 1000. Tanzanites are enhanced by heating. Customize a Ring or Pendant with This