Blue Violet Trilliant Cut tanzanite Gemstone 4.29 CaratsOne 4. 29 carats trilliant cut tanzanite, blue violet exceptional color, 10X LOUPE CLEAN clarity, cut grade excellent, measuring 10. 1 mm wide, 10. 1 mm long, 7. 5 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 75%, table width 55%. The overall quality rating of this tanzanite is 950 out of 1000. Tanzanites are color enhanced by heating. Customize a Ring or Pendant with This