Free Shipping & Easy Returns! Explore Christian Siriano Diana Eyeglasses now. Christian Siriano Diana is a Full Rim, Progressive Eligible frame for Women, which is made of Plastic. Plastic frames can be strong, lightweight, and come in a variety of colors. Plastic is commonly used in performance or sport eyewear. This model features a Square shape, with a Single Bridge. This frame features a spring hinge, which keeps its initial balance and adjustment, thereby avoiding the need for subsequent adjustments. Christian Siriano Diana Eyeglasses come with a cleaning cloth and protective carrying case.