Are you searching for a special and different gift for yourself or for the man in your life? A Aquamarine men's ring makes for a distinct and stylish statement about the man who wears it. A long time favorite of jewelry designers, aquamarine is the birthstone of March. The diamond-like brilliance of an aquamarine ring is sure to attract attention. A long time favorite of jewelry designers, aquamarine is the birthstone of March. The diamond-like brilliance of an aquamarine ring is sure to attract attention.