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 ...

Experts explain how this element plays a key role in the price and appearance of your sparkler. After countless hours of contemplating the carat size, cut, and color of a diamond, you may think you’ve ...