Once gifted by Napoleon, the heirloom is now bejeweled in December’s birthstone Abigail Eisenstadt Turquoise makes a striking contrast against diamonds in this diadem from the 1800s. But the gems were ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Turquoise, a gemstone that's been treasured around the world for centuries, is taking over the high ...

It’s that age-old question: why choose a turquoise bib when you could a diamond necklace? Eva Mendes, Rachel Zoe, and the Van Cleef archive hold the answers. In the annals of red-carpet jewelry ...

Not all turquoise is the same, though. Sleeping Beauty turquoise is known for its bright sky-blue color and minimal veining.

HOW DID Tiffany & Co. arrive at its signature shade of blue, a robin’s-egg hue the jewelry brand uses for everything from its stores to its packaging? The company’s chief gemologist, Victoria Wirth ...

The American Southwest, including Arizona and New Mexico, is chock-full of ancient turquoise mines. Mesoamerica, including southern Mexico and Central America, however, have few if any. So researchers ...