Manashe Sezanayev, who owned a store in Manhattan’s diamond district, pleaded guilty Thursday to stealing diamonds owned by ...

Lab-grown diamonds outpace natural stones when it comes to engagement rings. Here’s why, and what to consider when shopping.

Since the 1940s, when the Gemological Institute of America (G.I.A.) introduced the 4C’s (color, clarity, cut and carat) as ...

With the wedding season coming in June, many couples are now on the hunt for the perfect engagement ring. Entrepreneur Jesse De Leon has built his fast-growing business around the popularity of ...

Lab-made diamonds look desceptively similar to their natural counterparts, but are often cheaper and bigger. As they rise in popularity, also for their ethical appeal, could these sparkling stones ...