Nice color in this unheated tanzanite, purple and blue depending on which way you hold the stone to the light. This one is very lively, cut in a brilliant corner-cut rectangle pattern. There is also a photo of the rough prior to cutting.
- Weight: 3.70 carats
- Dimensions (mm): 9.7 x 7.3 x 6.9
- Origin: Merelani Hills, Tanzania
- Color: 7.5B 6/10 and 2.5P 5/10 (strong blue and strong violet)
- Clarity: VVS
- Cut: Mixed cut rectangular
- Treatments: None
- Overall Quality Grade: 9
Color determines the base value of a gemstone. We report either GIA color codes or Gemworld International color codes or both.
Grading is done per Gemworld International's grading system. The overall quality grade determines the wholesale value of the stone.