The selection from the GIA Museum collection includes carved ruby, benitoite, red spinel, euclase and natural pearls.

A new way to improve the color, clarity and luster of rubies has been tested by scientists: put them in the microwave. Rubies are among the world's most popular precious gemstones, and are also used ...

The Hope Spinel set a new world record at Bonhams September 24 Fine Jewelry sale in London. It sold for £962,500 (US$ 1,470,724). (Photo: Bonhams) Move over ruby, there’s another red gem in town ...

It's July, and if you have a birthday this month, the ruby is your birthstone. Rubies have been called the "king of gems," symbolizing strength, power and love. And they don't come cheap.You can buy ...

"If you look at a top-quality, gem quality ruby versus the top quality of a diamond – let's say they're five carats each – the ruby is going to be much rarer and much more expensive than that ...

The ruby was found in Myanmar’s Mandalay Region after decades. A massive 11,000-carat ruby found in Myanmar's Mogok region The ruby is described as purplish-red with yellow undertones This is ...