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 ...

The Golconda Blue has an estimate of $35-50 million. Here are the reasons why.

A legendary gemstone steeped in royal Indian heritage is set to captivate the world stage once again. The famed Golconda Blue ...

The extremely rare gem, which has a VS2 clarity, has received the highest possible color grading for a blue diamond from the Gemological Institute of America. Better still: The stone is also ...

She was unhappy with the setting surrounding the precious blue stone that had once belonged ... the primary ingredient endowing the diamond with its color is the element boron.

With historic roots and a royal Indian legacy, the 23 carat Golconda Blue diamond is the largest fancy blue diamond ever put up for auction.

Sotheby’s will auction The Mediterranean Blue 10.3 carat stone this May after UAE ... Blue exhibits the highest possible color grading for a blue diamond. Its cushion-shaped cut enhances its ...