The boom in lab-grown diamonds may have permanently fractured the market for natural stones, industry analysts say.

The auction reflects the continued strength in fancy-colored diamonds and exceptional colored gemstones at the high end of the market ...

Tiffany and Cartier may be able to get away with charging heavily marked-up prices for their diamond treasures without batting an eye, but other diamond merchants are facing a whole other playing ...

Lab-grown diamonds sell for one-quarter of the price of traditional ones and an Australian wholesale broker says he can’t tell the difference When Steve Richards, a gemologist trained to identify ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...

Superman lied to us. Over the years countless Superman comic books, TV shows and movies have shown the fabled Kryptonian crushing clumps of coal between the palms of his hand to turn them into shiny, ...