Kay Jewelers Diamond Enhancer Ring 1/2 ct tw Round-Cut 14K White Gold- Rings: Nine Leo Diamonds will add stunning sparkle to your diamond solitaire with this 1/2 carat total weight diamond enhancer ring. 14K white gold. Each Leo Diamond is independently certified, and the unique laser-inscribed Gemscribe® serial number ensures your peace of mind. The diamond solitaire is sold separately. Available at select Kay Jewelers locations -- call 1-800-527-8029 for the store nearest you.