Blue Violet Exceptional Round Brilliant Cut Tanzanite Gemstone 1.70ctsWeight: 1. 70cts Cut: Round Brilliant Color: 40% Blue 60% Violet Clarity: VS1 Size: 7. 3 mm wide, 7. 3 mm long, 5 mm deep Quality: 923 1000 One 1. 70 carats round brilliant cut tanzanite, blue violet exceptional (40%blue 60%violet) color, VS1 clarity, cut grade good to very good, measuring 7. 3 mm wide, 7. 3 mm long, 5 mm deep; with good polish and very good symmetry. The overall quality rating of this tanzanite is 923 out of 1000. Tanzanite is color