DEAL OF THE DAY!! Blue Violet Round Brilliant Tanzanite Gemstone 3.74ctsDeal of the Day. Coupon code flash25. Weight: 3. 74cts Cut; Round Brillant Cut Color: Blue 45% Violet 55% Clarity: VS1 Size: 8. 9 mm wide, 8. 9 mm long, 6. 7 mm deep Quality: 947 1000 One 3. 74 carats round brilliant cut tanzanite, blue violet exceptional (45% 55%) more violet color, VS1 clarity, cut grade very good, measuring 8. 9 mm wide, 8. 9 mm long, 6. 7 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are