Colorless. White sapphire is an excellent diamond substitute as it is brilliant and second only to diamond itself in hardness. Many larger white sapphires are illegally diffused with a blue coating and sold as blue sapphire. Large white sapphires are rare

The sapphire, September's birthstone, is one of the oldest known stones in written history. The ancients credited the sapphire to be endowed with the power to influence spirits, to be a charm against unfaithfulness and capable of making peace between foes. White sapphire is a good stone to wear for it has a self-nurturing tendency