ALGT COLORED STONE IDENTIFICATION REPORT IDENTIFICATION Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz DESCRIPTION Shape & Cutting Style .................................................................... Oval, Concave Cut Measurements .................................................................. 23.50 x 18.30 x 16.11 mm Carat Weight ................................................................................................... 50.89 Carat Color ....................................................................................................... Intense/Vivid Blue Transparency .................................................................................................. Transparent ADDITIONAL GRADING CHARACTERISTICS Trade Color Name ............................................................................................ Swiss 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. 18 September, 2025 39786922