This beautiful, genuine oval tiger's eye is set into a solid .925 sterling ring. Size 9 About Tiger's Eye: "Tiger's eye (also called tiger eye) is a chatoyant gemstone that is usually a metamorphic rock with a golden to red-brown color and a silky luster." Here are some ways to tell if the tiger's eye is real: Color The real tiger's eye is a brownish yellow or brown color with a metallic luster and rippling bands of light that resemble a cat's eye. If the stone is an unnatural color, it may have been dyed. Texture Tiger's eye has a fibrous texture caused by iron oxide fibers running through the stone.