Directly from the mines of Colombia, 100% natural, untreated emerald. See the backlit photos to see the explosion of green color. Beautiful Emerald Rough Colombia Untreated Green 11 cts - 2.2 grams 17 x 11 x 10 mm about the piece for sale is what you see in photos! Lamp Light Condition please be careful with the description and measures Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-40 days for rest of the world ) if you want fast shipping, please contact me immediately after the auction win