Passion, heat and love. These words capture the essence of the ruby. This gemstone is one of the four classic precious gems - emerald, sapphire and diamond being the other three - and possibly the most coveted. Sure diamonds are a girl’s best friend, but put on a blood-red ruby tennis bracelet and you will sizzle.

Origin and make-up
Like the sapphire, this gemstone is corundum, a crystallized aluminum oxide formed under heat and pressure. In fact, it is exactly like the sapphire and the only colored corundum that is not called a sapphire. The chrome particles are what give it its delicious red color.

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