Emerald, the birthstone for May, is a precious gemstone known for its brilliant green color. Some emeralds can also have blue or yellow undertones. The word, “emerald,” comes from the Latin term “smaragdus,” signifying green gem. Emerald represents wisdom, faith, success in love and domestic bliss. Throughout history, emeralds have been prized and worn by royalty and celebrities. Cleopatra, the Queen of Egypt, adored emeralds and put a claim on all mines in Egypt.