Bidspirit auction | 12.16ct 16.8x13.3mm VVS Cushion Natural

12.16ct 16.8x13.3mm VVS Cushion Natural Unheated Yellow & Purple Ametrine Africa - 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.