If you are a September baby, you are lucky enough to have blue sapphire as your stunning birthstone. Sapphires come in every color of the rainbow, although blue is the most popular. Some people choose sapphires as an alternative to a diamond for engagement rings. It is a very strong and durable gemstone. There are many different qualities of sapphires including the shade, natural versus synethic, and various treatments. These are a couple of designs we have created in blue sapphires and diamonds.