Emerald cut diamonds have a rectangular shape with cut corners. It is also known as a step cut because its broad, flat planes resemble steps on a staircase. That due to the large table of the emerald shape, inclusions and color can be easier to detect. It is recommended that you choose a diamond with a higher clarity and color grade than you would if choosing a brilliant diamond. The depth of the Emerald cut diamond should be between 60-65%, and the Table between 60-64%.