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

Diamond rings have long been symbols ... carat internally flawless fancy vivid blue pear-shaped Type IIb diamond for auction, realising USD 43.8 million. The regal blue diamond, called the “Bleu Royal ...

A jewellery expert has revealed the estimated values of the Royal Family's engagement rings ... received a three-carat diamond set in white gold, with two smaller pear-shaped stones on either ...

Chapple, 60, chose a 4-carat emerald-cut diamond, flanked by tapered baguettes. The ring also included a whopping 56 round brilliant-cut diamonds set in ... with a pear-shaped, 3.27-carat Neil ...

Priceless gems and the stories behind the beautiful - and often famous - women who wore them are part of a Cartier display ...

Audrey Hepburn takes a break from filming Breakfast at Tiffany's — still wearing a multi-string pearl and diamond necklace.

The MARQE’s patent pending rings will allow couples to customize their rings throughout the different stages of life. United ...

This is one engagement ring stone that never, never, goes out of style and will look stunning on your wedding day ... Various sizes available Diamond shape: Oval Choose from lab-grown diamond ...