The precious stone that is the birthstone for September is sapphire. Sapphires are typically blue, but they can be found in a variety of colors except red, which are categorized as rubies. This gemstone has been treasured for centuries for its beauty and durability, ranking 9 on the Mohs scale of hardness. In many cultures, sapphires are associated with wisdom, royalty, and protection, making them popular choices for engagement rings and other fine jewelry. Historically, sapphires were believed to bring good fortune and peace of mind to the wearer.