Add Yahoo as a preferred source to see more of our stories on Google. Turquoise, a gemstone that's been treasured around the world for centuries, is taking over the high jewelry hemisphere in a ...

The lack of a grading system for the popular stone has prompted a father-son team to spend the last five years working on one. Turquoise stones from the blue and green master sets at the Turquoise ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Eric Dush/Getty Images The turquoise waters of Torch Lake is Michigan. Visitors come for boating, snorkeling, fishing, and ...