Algt Colored Stone Report # 75635060 Report Date: 17 January, 2024 Identification Species ................................................................................ Natural Zoisite Variety ............................................................................................ Tanzanite Description Shape & Cutting Style ............. Rectangular Cushion, Mixed Cut Measurements .............................................. 13.18 x 9.06 x 6.92 mm Carat Weight ............................................................................. 7.40 Carat Color ....................................................................... Intense Violetish Blue Transparency ......................................................................... Transparent Additional Grading Characteristics 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.