ALGT COLORED STONE IDENTIFICATION REPORT IDENTIFICATION Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz DESCRIPTION Shape & Cutting Style ......................................................................... Oval, Mixed Cut Measurements .................................................................. 23.71 x 16.53 x 10.73 mm Carat Weight ................................................................................................... 37.66 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. 16 January, 2026 10400047