Also known as the "pillow cut," cushion cut diamonds have been around for well over a century. The cushion cut diamond has larger corners to go along with a larger facet to increase the diamond brilliance. The larger facets are responsible for highlighting the diamond's clarity; so if you are purchasing a SI clarity grade, always review the clarity plot on the diamond certificate. Cushion cut diamonds are available in several shapes ranging from square to rectangular. In order to find the correct dimension cut that you are seeking, you need to closely compare the length-to-width ratio. Read more »