Friendship, love and loyalty are represented by this historic celtic design. A Citrine claddagh ring with your birthstone or favorite color makes it even more significant. November's birthstone, citrine sparkles like honey. Carry the warmth and glow of a golden sunset with you by wearing a beautiful citrine ring. 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.