Algt Colored Stone Identification Report # 19306951 Report Date: 16 January, 2024 ============================================ Identification Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz Description Shape & Cutting Style ......................................................................... Oval, Mixed Cut Measurements .................................................................... 21.02 X 13.19 X 8.84 Mm Carat Weight ................................................................................................... 17.90 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.