Diamonds may be a girl’s best friend, but during May? You can’t beat the month’s iconic birthstone, the emerald — which, ICYMI, is having a major moment. According to gemstone lore, emeralds symbolize qualities like wit and grace. (Cleopatra was reportedly a fan since emeralds were thought to encourage fertility and immortality.) But all those things aside, it certainly doesn’t hurt that emeralds, with their naturally verdant hue, are just plain stunning.