Beautiful Emerald with excellent cut - Emerald cut shape is the best shape in precious stones IGI Certificate No. 770689976 Natural Emerald - 2.88 Ct 8.13 x 7.42 x 6.20 mm - Octagonal 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.