Algt Colored Stone Report # 66396533 Report Date: 17 January, 2024 Identification Species ................................................................................ Natural Zoisite Variety ............................................................................................ Tanzanite Description Shape & Cutting Style .......................... Round Brilliant, Mixed Cut Measurements .................................................. 7.07 - 7.13 x 5.04 mm Carat Weight ............................................................................. 1.82 Carat Color ......................................................................... Vivid Blue (Violetish) Transparency ......................................................................... Transparent Additional Grading Characteristics Color Quality Grade ................................................. Fine Color Quality Suggested Origin ....................................................................... Tanzania 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.