Exceptional Tananite 7.05 CaratsDescription Measurements Custom Jewelry This fine oval tanzanite has blue violet exceptional color and VS+ clarity our highest rating for tanzanite. Outstanding brilliance is from the clarity and fine cut and polish. A good mix of blue and violet which will show excellent blue in daylight with strong violet highlights in incandescent lighting. Tanzanites are typically enhanced by heating to alter color. The tanzanite measures 13. 2 x 10. 1 x7. 4