This amazing and authentic natural Colombian emerald gem, it is a precious stone perfect to set in a ring, pendant, or any custom jewelry. The Birthstone for May is Emerald. Being one of the three Precious Gemstones, besides Ruby and Sapphire, Emerald is one of the most Prevalent Gems in the world. NOTE: The camera lens acts as a microscope, most of the flaws seen in this picture are not visible with the naked eye. Please take into account the real size of the gem as you can see it in the 4th image.