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 ...

Blake Lively's stunning engagement ring boasts a 12-carat light pink diamond set on a diamond-pavé band Catherine Santino is a Style Writer-Reporter at PEOPLE. She began as a contributor for PEOPLE in ...

Researchers showed that diamonds with color center defects can act as nonlinear optical materials for second-harmonic photon generation. This discovery can pave the way for completely light-based ...

Lightsynq, a Boston-based startup working on interconnects for scaling quantum computation, has raised $18 million in a series A round of venture funding. Combining expertise from Harvard University ...

Forbes contributors publish independent expert analyses and insights. Pam Danziger reports on retail, focused on the luxury consumer market. “We are agnostic whether people buy diamonds or color; we ...

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 ...

These tinted diamonds make up just 0.01 percent of all natural diamonds mined, appearing in shades of pink, blue, yellow, green, and even red. Since 2005, pink diamonds have increased in value by ...