William Shakespeare wrote in Romeo and Juliet, "What's in a name?" His argument was that names are arbitrary labels that do not carry the essence of an individual. While that might be true for humans, ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do exist—from the fog test to the water-drop test—but the only way to be sure is by ...

A tale of two tiaras: In the high-stakes world of serious collecting, the true value of a jewel lies not just in its sparkle but in its story. Bettmann Archive/Getty Images For centuries, diamonds ...

Diamonds have long been the ultimate symbol of love and commitment, their sparkling brilliance forever linked to life’s most emotional moments. Thanks to decades of marketing genius—most notably from ...

After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon.