One 3.46 carats oval tanzanite, blue violet exceptional color, 10X LOUPE CLEAN clarity, cut grade very good, measuring 8 mm wide, 10.1 mm long, 6.1 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 76%. Tanzanites are enhanced by heating. The overall quality rating is 931 out of 1000