This ring is made with 925 sterling silver and is rhodium plated to prevent tarnishing and color change. Face Height: 5 mm – Band Width: 2 mm – Stone: Diamond CZ – April Birthstone – Stones are cubic zirconias, which are the most popular substitute for diamonds used in jewelry. Since they are man-made, they have perfect clarity and fire. All the stones are set flat, as to not scratch the baby’s delicate face or get caught on clothing. Each ring is stamped “925” and optional gift wrap available, which is both perfect for storing, and gift giving.