Εxceptional BLUE Aquamarine 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 Beryl Variety ................................................................. Aquamarine Shape & Cutting Style ............................................. Modified Octagon, Step Cut Measurements ...................................................... 12.39 x 11.06 x 9.16 mm Carat Weight ....................................................... 8.16 Carat Color ................................................................. Intense Blue Transparency ..................................................... Transparent ADDITIONAL GRADING CHARACTERISTICS Color Quality Grade ............................................. Fine Color Quality Aquamarine is commonly heated to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not.