Round Brilliant Cut Tanzanite 1.13 CaratsWeight: 1. 13cts Color: 30% Blue 70% Violet Cut: Round Brilliant Clarity: VS1 Size: 6. 5mm wide x 6. 5mm long x 4. mm deep Treatment: Heated Rating: 916 1000 Cut Grade: Very Good One 1. 13 carats round brilliant cut tanzanite, blue violet vivid (30%blue 70%violet) color, VS1 clarity, cut grade good, measuring 6. 5 mm wide, 6. 5 mm long, 4 mm deep; with good polish and very good symmetry. The overall quality rating of this stone is 916 out of 1000.