Channel Set Silvertone CZ Eternity Band Ring Anatomy actress and newlywed Katherine Heigl had a lovely blue Sapphire and diamond eternity band custom made as her wedding ring. Capture a similar style with our princess cut Sapphire blue CZ eternity ring. Which features rich blue stones alternating with clear, sparkling CZs all in a channel setting. This ring is perfect for stacking with other styles as an accent, and is also elegant on its own.