Green has always symbolized growth and renewal, and an emerald is the perfect gemstone to represent the beauty of spring's reemergence. Those born in May have been said to carry the emerald to achieve prosperity and inner peace. Believe it or not, there have even been stories about those wearing emeralds gaining the power to predict the future. The emerald is also the state stone of North Carolina and the 20th and 35th wedding anniversary gemstones.