Algt Colored Stone Identification Report # 43737002 Report Date: 16 January, 2024 ============================================ Identification Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz Description Shape & Cutting Style .................................................................. Triangle, Mixed Cut Measurements .................................................................. 17.39 X 16.71 X 10.25 Mm Carat Weight ................................................................................................... 18.00 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.