The May birthstone is the emerald. Emeralds have been believed to improve mental abilities such as increasing clairvoyance, intelligence, and memory in the wearer. Emeralds are also the perfect gift for anyone with a passion for nature, or gardening due to its color. We have a collection of beautiful green jewelry such as CZ emerald rings, earrings, necklaces, and many other styles of CZ emerald jewelry. Stock up on this beautiful and eye-catching emerald jewelry for May-born shoppers!