Violet Blue Antique Cushion Tanzanite Gemstone 11.78ctsWeight: 11. 78cts Cut: Antique Cushion Color: 30% Violet 70% Blue Clarity: VS1 Size: 11. 7 mm wide, 13. 8 mm long, 9. 1 mm deep Quality: 957 1000 One 11. 78 carats antique cushion tanzanite, violet blue exceptional (30% 70%) more blue color, VS1 clarity, cut grade very good, measuring 11. 7 mm wide, 13. 8 mm long, 9. 1 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 77. 77%, table