Beautiful Emerald with excellent cut - Octagon cut shape is the most beautiful and lovable for all IGI Certificate No. : TH26G131462 Natural Emerald - 2.13 Ct 5.82 x 3.89 x 2.83 mm to 6.01 x 4.01 x 2.92 mm - Octagon - 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.