Algt Colored Stone Report # 13069418 Report Date: 16 March, 2024 ============================================ Identification Species .................................................................................. Natural Topaz Variety ......................................................................................... Blue Topaz Description Shape & Cutting Style ............................................... Oval, Mixed Cut Measurements ......................................... 18.74 x 14.20 x 10.54 mm Carat Weight ........................................................................... 21.51 Carat Color ............................................................................................... Vivid Blue Transparency ......................................................................... Transparent Additional Grading Characteristics Trade Color Name ................................................................... Swiss Blue Color Quality Grade ................................................. Fine Color Quality Comments Blue Topaz Is Commonly Enhanced By Irradiation And/or Heating To Improve Its Color. There Is Currently No Scientific Method Available To Determine Whether This Gemstone Has Been Enhanced Or Not.