Certificate Date 19/05/2026 Certificate Number 1830017741 Identification Natural Topaz Shape and cutting style Cut-cornered Rect. Step Cut - Measurements (in mm) 22.56 x 13.43 x 11.90 - Grading results Weight (in carat) 37.38 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.