September Birthstone Information
September's birthstone is the sapphire. Sapphires have a centuries-long association with royalty and romance, and September's birthstone jewelry incorporates beautiful sapphire gems. They're precious gemstones and a variety of the mineral corundum. Red corundum gems are rubies, and all other corundum shades are considered sapphires. September birthstone jewelry comes in many varieties and may also include lapis, which is the alternative September birthstone.