Beautiful Emerald with excellent cut and Matching Set - Round cut shape and Matching Stones are always best in all kinds of jewelry ICA Certificate No. : TH25G116873 Natural Emerald - 3.33 Ct (ranging from 0.38 to 0.53 ct) Pieces - 7 stones 4.64 x 4.54 x 3.04 mm to 5.12 x 5.05 x 3.24 mm - Round Brilliant Step Cut Transparent stone - Based on its gemological data, mining in " Zambia " Basically emeralds are oiled. It's by colorless oiling. Shipping to all over the world via express courier and on-time tracking. The photos are taken under white light. So it is representing 10% more color than natural color.