Did you know that sapphires come in other colors besides blue? The color of the sapphire.
It’s a magnificent natural process called charge transfer which, put simply, determines the transfer of an electron from one transition-metal ion to another. Admittedly, it’s an extremely complex procedure to understand, but it determines the coloration of any gemstone.
Ultimately, a sapphire can occur in a wide range of hues, from blue to pink, and from yellow to orange. In fact, you can even find black sapphires, but they’re nowhere near as popular as the ‘cornflower blue’ variant that you often see used in fine jewelry.