Friendship, love and loyalty are represented by this historic celtic design. A Ruby claddagh ring with your birthstone or favorite color makes it even more significant. Gem of hot summer nights and steamy red sunsets, ruby is the birthstone of July. Show the world the passions within you with a fiery ruby ring. This birthstone of October has a luminosity and glow that makes an opal the treasure that it really is. The rainbow of colors on a neutral white background makes an opal ring a perfect match for any outfit.