Stylish options abound with this reversible 14k white gold ring from Diversa by EFFY Collection. Round-cut blue (1/3 ct. t.w.), black (1/2 ct. t.w.) and white (3/8 ct. t.w.) diamonds make sure your choice is a sophisticated one. Approximate size: 3/8 inch. Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care. All gemstone carat weights (ct. t.w.), if mentioned, are approximate; variance may be .05 carat. CUSTOM RING SIZING IS FREE AT MACYS.COM! Size 7 is standard for women. Please note custom-sized rings may not be returned. Ring Sizer.