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

Jean-Noel Soni, who specializes in colored stones, said he tries to give each one a shape that “maintains the crystal’s integrity.” ...

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

A Missouri man tending to his garden found a high school class ring from Nebraska that turned out to have been missing since ...

WWHL host Andy Cohen explains why he wears several diamond-encrusted bands on his finger. Get the details here.