ALGT Colored Stone Identification Report Identification Species: Natural Zoisite Variety: Tanzanite Description Shape & Cutting Style: Oval, Mixed Cut Measurements: 9.13 × 7.23 × 5.06 mm Carat Weight: 2.29 Carat Color: Blue-Purple Transparency: Transparent Additional Grading Characteristics Origin: Tanzania Origin determination is an expert opinion based on microscopic examination, spectroscopic features and chemical trace element analysis. Comments Tanzanite is commonly heated at low temperature to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not. The photos were taken in a professional studio using LED lighting to accurately showcase the gemstone's color. The images have not been edited and are intended to provide the most realistic representation possible. Please note that slight color variations may occur depending on your monitor, smartphone, or display settings. Well-packed and fully insured registered shipping. No additional VAT for buyers within the EU. Please feel free to browse my other listings for more certified natural gemstones and exclusive offers.