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

Known for her showstopping red carpet looks, Blake Lively brought full opulence for the launch of Pharrell William's Tiffany ...

A rare 23.24-carat vivid blue diamond, known as The Golconda Blue and once owned by Indian royalty, is set to go under the hammer at Christie’s Magnificent Jewels sale in Geneva, Switzerland. Mounted ...

A rare blue diamond was on display Tuesday ... A 40.29-carat radiant-cut fancy light pink diamond ring, left and a 102.60-carat round white diamond. Eight diamonds on display at the Sotheby ...

The brooch was subsequently reacquired by Winston and resold as a newly designed jewel to its current owner. Now, over a century later, this legendary blue diamond is set to be auctioned for the very ...

In Harry Winston’s hands, it was reimagined and set in a shining brooch with a matching 23-carat white diamond. It was later sold to the Maharaja of Baroda. Subsequently, it was reacquired by Winston ...

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When Mike Nilon proposed to Garcelle Beauvais, he gifted her a stunning emerald-cut diamond engagement ring. Get the details here.

Maharani of Indore; the 23.24-carat Golconda Blue in a JAR setting Christie ... this time in a brooch with a matching 23-carat white diamond, which he sold to the Maharaja of Baroda.

Marke is a New York–based brand that specializes in classic, timeless rings that are still sleek enough to keep up with the ...

Mejuri has long been one of celebrities’ go-to jewelry brands — and ahead of Mother’s Day, it’s offering up to 20% off orders ...

The Golconda Blue, a rare and vivid blue ... 23.24 carats and elegantly mounted in a modern ring designed by renowned Parisian jeweller JAR, the diamond is expected to fetch between $35 million ...