Add our Ruby Baguette Charm to your favorite chain to show how much you love July babies. Chic yet timeless, it's also perfect for anyone whose favorite gemstone is unique ruby red. Swap it out any time for an entirely new look. Ruby is also known as July birthstones . These amethyst charms are interchangeable. Charm size: 4mm x 6mm. Solid sterling silver Hypoallergenic, nickel, and lead-free Tarnish resistant