If 'The Golconda Blue' went to auction it would have been the largest fancy blue diamond to have been presented at a public ...

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

From Jennifer Lopez's pink engagement ring to Kim Kardashian's 15-carat stunner, read on for a roundup of some of the most expensive celebrity rings of all time.

The Winston Red diamond, one of the world’s rarest red diamonds, is now being exhibited, making it the only diamond of its ...

Some diamonds are so rare that they sell for millions. This topic explores the world’s most expensive diamond and why it’s so valuable.

Size isn’t everything—but the most expensive celebrity engagement rings ... oval-cut light pink stone set in a rose gold pavé diamond band was designed by jeweler Lorraine Schwartz (costing ...