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

Christie's has announced what is sure to be a blockbuster sale in the jewelry world: the sale of a 23.24-carat fancy Golconda ...

They include red, yellow, pink and colorless diamonds. Visitors focused on the 10-karat blue diamond from South Africa, considered one of the most important blue diamonds ever discovered.

Photos by Robert Weldon, arranged by Gabriela Farfan, courtesy of Ronald Winston Imagine a diamond glowing like molten gold, blushing in rose petal pink or shimmering with a deep, oceanic blue.

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

considered one of the most important blue diamonds ever discovered. Sotheby’s expects it to be auctioned off at $20 million in May. A 40.29-carat radiant-cut fancy light pink diamond ring ...