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

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 ...

North Jersey's priciest home sales in February included a $7.25 million diamond cut limestone estate and a rare property in a private lake community.