Cushion-cut diamonds feature a rectangular or square shape with rounded corners, distinguishing them from princess-cut diamonds. This cushion-shaped diamond is popular for its enticing vintage charm. These pillow-cut diamonds have a larger surface area, allowing more light to come in, and giving it a much more luster. The facets of this cushion-cut diamond are shaped and arranged such that it enhances the brilliance of the diamond. Additionally, cushions cut lab-grown diamonds are less expensive as compared to round cut diamonds, making them a cost-effective and stunning choice.