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 ...

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

Round brilliant diamonds are the only shape that receive a cut grade designation. A diamond can have gorgeous color, flawless clarity, and a large carat weight, but still be unattractive and ...

The anniversary of the Ashoka cut and publication of a new book are causes for celebration at William Goldberg Diamonds.

An curved arrow pointing right. Cubic Zirconia – better known as "CZ" – are lab grown diamond simulates cut to mimic the color and brilliance of diamonds. Brian Driscoll from the Gemological ...

The Winston Fancy Color Diamond Collection is coming to the Smithsonian National Museum of Natural History this April. (7News) ...