The Winston Red Diamond will be unveiled April 1, along with the Winston Fancy Color Diamond Collection. The diamonds have been donated by Ronald Winston, son of well-known jeweler and gem collector ...

Whether you own a diamond that’s sitting pretty on your left ring finger, nestled in a tennis bracelet or pronged on a pair of earrings, you want to know it’s good quality. But it’s hard to be sure.

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 ...

Sarine Technologies Ltd., the Israeli company that pioneered the world’s first software to automatically measure diamonds, has said it has now developed new machine learning technologies to ...