One 1.15 carats round brilliant cut tanzanite, blue violet exceptional color, 10X LOUPE CLEAN clarity, cut grade very good, measuring 6 mm wide, 6.1 mm long, 4.6 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 76.6%. The overall quality rating of this tanzanite is 937 out of 1000. Tanzanites are enhanced by heating. Went into jewelry