- Weight: 20.90cts
- Cut: Square Cushion
- Color: 40% Violet | 60% Blue
- Size: 15.8mm wide x 16.1mm long x 11.3mm deep
- Clarity: VS1
- Rating: 970/1000
- Origin: Tanzania
- Treatment: Heated
- Cut Grade: Very Good
One 20.90 carats square cushion tanzanite, violet blue exceptional (40%violet/60%blue) color, VS1 clarity, cut grade very good, measuring 15.8 mm wide, 16.1 mm long, 11.3 mm deep; with very good polish and very good symmetry. Tanzanite is heated to enhance its color. The overall quality rating of this tanzanite is 970 out of 1000.