Εxceptional Topaz gemstone suitable for jewellery or an investment-grade piece. Full physical ALGT Certificate included. *Combined shipping — If you win multiple stones, pay one, and message to combine the rest .* *No additional VAT or import duties for bidders within the EU* IDENTIFICATION Species ........................................................ Natural Topaz Variety ........................................................ Blue Topaz Shape & Cutting Style .................................... Modified Octagon, Step Cut Measurements ............................................... 14.80 x 11.95 x 9.56 mm Carat Weight ................................................. 16.24 Carat Color ............................................................. Very Light Blue Transparency ................................................ Transparent 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.