Diamonds can be polished into a multitude of shapes other than the traditional round. The shape of a diamond largely determines its setting. At May Diamonds, no matter their shape, all the diamonds are cut to maximize their brilliance. May Diamonds can help you choose a diamond shape that suits your personal taste. The classic Round Brilliant, Oval, Pear, Marquise, Princess, Heart and Emerald shapes are among the most beautiful and popular today.