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 ...

Christie's head of jewelry Rahul Kadakia displays the largest blue diamond ever to be offered at auction on 'Varney & Co.' ...

Christie's is getting ready to present The Golconda Blue, the largest Fancy Vivid Blue Diamond ever to be offered at auction.

The legendary diamond mines of Golconda are all gone now. Blame it on the demand for their extraordinary stones—devoid of nitrogen, their color has been described as “whiter than white” and “as clear ...

The 10-carat Mediterranean Blue, which will go on sale in Geneva next month, is the showpiece of a collection estimated at $100 million, organisers said. "Included in the group are the largest ...