When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

The jewelry business is at a turning point. Consumers no longer want cookie-cutter engagement rings or predictable white ...

The Winston Red Diamond, an exquisite 2.33 carat Fancy red diamond - one of the finest in the world. Photo by Robert Weldon, courtesy of Ronald Winston. The Smithsonian’s National Museum of Natural ...

Deformation, impurities, radiation — many factors lend unexpected color to a diamond. By C. Claiborne Ray A. In diamonds, unexpected colors may arise in a variety of ways. These include small and ...

Diamonds are treasured around the world for their beauty and sparkle. Although the gemstone and jewelry industries market them to symbolize enduring love, they’re also a scientific wonder. Natural ...