Crystal Birthstone - September

September's birthstone is the royal sapphire, a rich blue gem. Sapphires symbolize sincerity and protection. In fact, sapphire means clear thinking. If this is your birthstone you can use any deep blue bead, like the Sapphire Swarovski crystal color, to symbolize your birth in jewelry ideas. Symbolism: Peace, loyalty, and optimism. Blue conveys introspection, tolerance, and responsibility.