Algt Colored Stone Identification Report # 37247759 Report Date: 16 January, 2024 ============================================ Identification Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz Description Shape & Cutting Style ......................................................................... Oval, Mixed Cut Measurements .................................................................... 20.23 X 13.70 X 9.41 Mm Carat Weight ................................................................................................... 18.93 Carat Color ....................................................................................................................... Deep Blue Transparency .................................................................................................. Transparent Additional Grading Characteristics Trade Color Name ....................................................................................... London Blue 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.