Kay Jewelers Diamond Solitaire Ring 3/4 ct Princess-Cut 14K White Gold- Solitaires: It has been nearly a century since Marcel Tolkowsky revolutionized diamond cutting with the original Ideal Cut Diamond. The tradition continues with this timeless solitaire ring featuring an independently certified, 3/4 carat Tolkowsky® princess-cut diamond. This fine jewelry ring is secured by platinum prongs on a 14K white gold band for undeniable elegance. All Tolkowsky® princess-cut diamonds are certified Ideal Cut and each ring comes with a certificate of authenticity. The ring comes with a unique presentation box.