Friendship, love and loyalty are represented by this historic celtic design. A Lab 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. Brown gemstones are gaining in popularity and smoky quartz is an affordable choice. A smoky quartz ring goes well with autumn colors and evening wear.