Emerald cut engagement rings are usually considered one of the most elegant of diamond shapes. After all, it is the stone on Grace Kelly’s engagement ring given to her by Prince Rainier of Monaco.

Every item on this page was chosen by a Town & Country editor. We may earn commission on some of the items you choose to buy. Jennifer Lopez has become something of an engagement ring influencer.

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 ...