The bright blue September birthstone, sapphire, is derived from the Latin word for "blue". In ancient times, sapphire was considered a sacred stone and was even said to have been worn by priests. It has been believed that wearing a sapphire will give you self-confidence and help you succeed in business and personal life. When you have a goal or a dream you want to achieve, the power of sapphire will support you. It is also said to bring sincere and gentle love when worn.