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 ...

As the daughter of Eunice Kennedy Shriver and Sargent Shriver, Maria Shriver had always been part of one of the most ...