Emerald without oil is a rare and extremely valuable kind of emerald gemstone. No oil Emeralds don’t need additional of any oil to enhance the its clarity. These gemstones are available with super clarity and don’t have scratches at the surface. The No oil Emerald gemstones are rarely found and In Vedic astrology No oil Emeralds are considered as highly desirable. Most of the emeralds are treated with certain colourless and coloured oils to enhance the clarity and make the flawless visible.