Sapphire
Sapphire is believed to release mental tension, depression, unwanted thoughts and spiritual confusion. Sapphire is also said to restore balance within the body, aligning the physical, mental and spiritual planes, bringing serenity and peace of mind. It is thought to stimulate concentration, bring lightness, joy and peace of mind. Sapphire is also said to be a "stone of prosperity", attracting gifts of all kinds and fulfilling dreams and desires.
Looking for birthstones? Alternative for September is Lapis Lazuli