Charles Albert is distinguished for his innovative and high-quality, handcrafted jewelry. He uses fossils and semi-precious stones and sets them in a metal alloy or sterling silver to create an altogether unusual yet beautiful line of jewelry. Each piece is one-of-a-kind and perfect for those wanting to express their individuality. Fossil ammonite set in nickel-free goldtone alloy. Adjustable shank fits ring sizes 5-11. As these are made from a natural material, there will some variation in size and color. From designer Charles Albert.