Friendship, love and loyalty are represented by this historic celtic design. A Garnet claddagh ring with your birthstone or favorite color makes it even more significant. One of the oldest gemstones in history, garnet is the birthstone of January. Garnet rings have been popular since Victorian times, and are treasured for their deep red color. A long time favorite of jewelry designers, aquamarine is the birthstone of March. The diamond-like brilliance of an aquamarine ring is sure to attract attention.