It has been nearly a century since Marcel Tolkowsky revolutionized diamond cutting with the original Ideal Cut Diamond. The brilliance of an independently certified one-carat Tolkowsky® princess-cut diamond delivers awe-inspiring style in this ring for her. Secured by platinum prongs and set in a 14K white gold band. All Tolkowsky® princess-cut diamonds are certified Ideal Cut and come with a certificate of authenticity. Comes with a unique presentation box.