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 ...

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, ...

An in-depth look at the leading diamond stocks in the U.S stock market this year. Here's what you need to know.