Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz Shape & Cutting Style ......................................................................... Pear, Mixed Cut Measurements .................................................................. 21.03 x 15.95 x 10.90 mm Carat Weight ................................................................................................... 29.13 Carat Color ....................................................................................................................... Deep Blue Transparency .................................................................................................. Transparent 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. 30 June, 2025 87952730