Bidspirit auction | 4.50ct 11x10.3mm Trillion Natural Bluish

4.50ct 11x10.3mm Trillion Natural Bluish Green Sapphire Australia, Heated Only - Great Gemstone sale! The auction house is responsible for all natural gems. It is possible that the stones underwent some treatment like LASER DRILLING, KM, FRACTURE FILLING, IRRADIATION, ANNEALING and etc. The auction house is unable to check this resolution.