Violet Blue Round Portuguese Brilliant Tanzanite Gemstone 4.85 CaratsOne 4. 85 carats portuguese round brilliant tanzanite, violet blue exceptional (45% 55%) color, VS1 clarity, cut grade very good, measuring 9. 5 mm wide, 9. 4 mm long, 7. 8 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 82. 5%, table width 42. 3%. The overall quality rating of this tanzanite is 967 out of 1000. Tanzanite is color enhanced by heating. Customize a Ring or Pendant with