Certificate Date 18/05/2026 Certificate Number 1830017721 Identification Natural Beryl, Heliodor Shape and cutting style Oval Cabochon - Measurements (in mm) 22.03 x 17.15 x 10.89 - Grading results Weight (in carat) 30.7 ct Transparency Transparent Color Yellow Comments Heliodor is commonly treated by heat and/or irradiation to improve its color. There is currently no scientific testing method available to disclose such treatment.