Sapphire

September birthstone- Sapphire
The September birthstone is blue sapphire. The sapphire is an incredibly popular gemstone due to its deep-blue color, and it represents faith and chastity. In fact, a certain royal couple has even made the sapphire engagement ring en vogue again!
The October birthstones are pink sapphire and pink tourmaline. These gemstones are a symbol for love, peace and joy. They represent the energy of relaxation by transforming negative energy into positive.