Known around the world for its vibrant blue hue, sapphires can actually be found in every color of the rainbow except red – those would be rubies. Blue sapphires are the most coveted and well-known shade of sapphire gemstones. The blue color of sapphires comes from the mineral titanium being present at the time of crystal formation.
Since medieval times, sapphire has been associated with the majesty and tranquility of the heavens. Because they believed it symbolized heaven, clergy in the Middle Ages wore blue sapphires. Kings and queens wore it to attract wealth and for protection. It was thought by many to dispel evil thoughts and to bring peace and amiability to its wearer as well as ward off illness and overcome poisons. Sapphire is the birthstone for September and the gem of the 5th and 45th anniversaries.