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

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

Antiques Roadshow expert Lea Koonce Ogundiran left a guest lost for words when she revealed the staggering value of a royal ...