Step Trilliant Cut Tanzanite 12.10 CaratsWeight: 12. 10cts Cut: Step Trilliant Color: 30% Blue 70% Violet Size: 13. 5mm wide x 13. 5mm long x 10. 5mm deep Clarity: VS1 VS2 Rating: 988 1000 Treatment: None Cut Grade: Excellent Cut By: Steve Moriarty One 12. 10 carats step trilliant tanzanite, blue violet exceptional (30%blue 70%violet) color, VS1 VS2 clarity, cut grade excellent, measuring 13. 5 mm wide, 13. 5 mm long, 10. 5 mm deep; with excellent polish and excellent symmetry. Natural