Natural Unheated Square Step Cut Tanzanite Gemstone 3.40 CaratsOne 3. 40 carats square step cut tanzanite, violet peach color, SI2 clarity, cut grade excellent, measuring 7. 9 mm wide, 7. 9 mm long, 6. 9 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 87. 3%, table width 31. 6%. Natural unheated color. Cut by Steve Moriarty Customize a Ring or Pendant with This Gemstone? Did you know that we design custom Tanzanite jewelry? We would love to help