Blue Violet Exceptional Round Brilliant Tanzanite Gemstone 4.01 CaratsOne 4. 01 carats round brilliant cut tanzanite, blue violet exceptional color, 10X LOUPE CLEAN clarity, cut grade good, measuring 9. 2 mm wide, 9. 3 mm long, 6. 5 mm deep; with very good polish and good symmetry. Culet slightly off center but faces up very well. The proportions of the tanzanite are as follows: total depth 70%. Tanzanites are enhanced by heating. Overall quality grade is 905 out of 1000. A really beautiful gem. Sold to Mohannad Alfaleh