Algt Colored Stone Identification Report # 52091294 Report Date: 16 January, 2024 ============================================ Identification Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz Description Shape & Cutting Style ......................................................................... Oval, Mixed Cut Measurements .................................................................... 19.66 X 14.87 X 8.98 Mm Carat Weight ................................................................................................... 18.63 Carat Color ....................................................................................................................... Deep Blue Transparency .................................................................................................. Transparent Additional Grading Characteristics Trade Color Name ....................................................................................... London 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.