Kay Jewelers Diamond Engagement Ring 1 ct tw Round-Cut 14K White Gold- Bridal: It has been nearly a century since Marcel Tolkowsky revolutionized diamond cutting with the original Ideal Cut Diamond. To this day, the Ideal Cut remains the benchmark for industry excellence, and the name Tolkowsky® is synonymous with unsurpassed excellence. A stunning Tolkowsky® round diamond is the focal point of this diamond engagement ring complemented by additional round diamonds that surround the center and line the 14K white gold band. This fine jewelry ring has a total diamond weight of one carat. Each Tolkowsky® diamond ring comes with a certificate of authenticity and independent certification of the center stone. Available at select Kay Jewelers locations -- call 1-800-527-8029 for the store nearest you.