"Rolling Stone" singer Lainey Wilson got the heavy rock on her engagement ring that she wanted. An expert tells us it likely has a hefty price tag to match.

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.