Blue Violet Intense Trilliant Cut Tanzanite Gemstone 1.35 CaratsOne 1. 35 carats trilliant cut tanzanite, blue violet intense color, VS2 clarity, cut grade very good, measuring 7 mm wide, 7 mm long, 4. 5 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 64. 2%. 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 jewelry for this Tanzanite gemstone.