Blue Violet Vivid Round Brilliant Cut Tanzanite Gemstone 1.83 CaratsOne 1. 83 carat round brilliant cut tanzanite, blue violet vivid color, 10 X LOUPE CLEAN clarity, cut grade very good, measuring 7. 3 mm wide, 7. 3 mm long, 5. 2 mm deep. The proportions of the tanzanite are as follows: total depth 71%. Tanzanites are enhanced by heating. Went into a pendant Customize 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