Violet Blue Round Brilliant Cut Tanzanite Gemstone 1.43 CaratsOne 1. 43 carats round brilliant cut tanzanite, violet blue exceptional (20% 80%) color, VS1 clarity, cut grade very good, measuring 6. 8 mm wide, 6. 8 mm long, 4. 3 mm deep; with good polish and very good symmetry. Tanzanite is color enhanced by heating. Customize Earrings, a Ring or Pendant with This Gemstone? Did you know that we design custom Tanzanite jewelry? We would love to help you design the perfect piece of jewelry for this Tanzanite