Stephen Curry's 2009-10 autographed rookie card sold for $5.9 million, setting a new record for trading cards, highlighting his influence and market value.

ALROSA, Russia's leading diamond mining company, announced the discovery of the country's largest gem-quality diamond. The colossal amber-colored diamond, weighing 468.30 carats, was unearthed from ...

A$AP Rocky and Rihanna recently donned some serious bling in their photo shoots, but whose diamonds are worth more?

David Geffen and Justin Sun’s unusually public dispute over ownership of a Giacometti sculpture valued at tens of millions of ...