Certificate Date 19/05/2026 Certificate Number 1830017742 Identification Natural Topaz Shape and cutting style Cushion Mixed Cut - Measurements (in mm) 19.39 x 17.04 x 13.66 - Grading results Weight (in carat) 38.6 ct Transparency Transparent Color Blue Comments Topaz is commonly treated by heat and/or irradiation to improve its color. There is currently no scientific testing method available to disclose such treatment.