Round Brilliant Cut Tanzanite Gemstone 6.37ctsWeight: 6. 37cts Cut: Round Brilliant Cut Color: 25% Violet 75% Blue Clarity: VS1 Size: 11. 3 mm wide, 11. 3 mm long, 8 mm deep Quality: 965 1000 One 6. 37 carats round brilliant cut tanzanite, violet blue exceptional (25% 75%) more blue color, VS1 clarity, cut grade very good, measuring 11. 3 mm wide, 11. 3 mm long, 8 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 70. 8%, table