Please generate product titles based on the following data provided: Please generate product titles based on the following data provided: Invoke the power of opposites when you wear the Pandora ME Halved Enamel Signet Ring. A 14k gold-plated ring features a semicircle with a raised star – which has a sparkling stone set at its centre – surrounded by glittery black enamel. Wear this black-and-gold ring alone or with the Pandora ME Halved Enamel Signet Ring in sterling silver, which is designed to fit together with this ring and place the stars opposite one another. Please generate product titles based on the following data provided.
Product title: Pandora ME Halved Enamel Signet Ring