Sapphire is a multi colored and extremely unique
September birthstone. In fact, Sapphires can come in all colors except red. When heated to over 1,800 degrees Celsius, the gemstone will release color impurities. A stone with traces of brown or gray will be a perfect blue when the process is completed. Some people prefer the natural gemstone and consider such methods unnecessary. The most valued stone is the Star Sapphire. The unique pattern on the gem is in the shape of a white star.
Like most gems, the value of a Sapphire depends on the deepness of the color, the carat, and the visibility (if present) of an asterism. Like other gemstones, you can purchase synthetic versions of the gem. Significantly cheaper, such stones may offer significant advantages.
