Where it was found: It was long believed that the diamond was extracted from the Kollur Mine in Guntur, India. However, new evidence has revealed that it, along with other Golconda diamonds, may have ...

The Hope diamond, a flawless 45-plus gem of rare steel-blue color, was donated to the Smithsonian Institution in 1958 by New York City jeweler Harry Winston, and is the centerpiece of the Hall of Gems ...

From the legendary Hope Diamond to a rainbow of colorful gemstones, a multigenerational bond between the Winston family and the Smithsonian transformed the museum’s world-renowned gem collection Emma ...

On this day, Sept. 11, in 1792, the French Blue diamond, eventually cut to be the Hope Diamond, was stolen along with other French crown jewels. A group of bandits broke into the royal storeroom while ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than the rest Emma Saaty Selections from the Winston Fancy Color Diamond ...

Christie’s is getting ready to present The Golconda Blue, the largest Fancy Vivid Blue Diamond ever to be offered at auction. Weighing 23.24 carats, this gemstone will headline Christie’s Magnificent ...

The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been pulled from the May 14 Christie’s Geneva Magnificent Jewels sale. If it went to auction it would have been the largest fancy vivid ...

“The Mediterranean Blue” is 10.3-carat fancy vivid blue diamond with a VS2 clarity grade. It's the highlight of Sotheby's High Jewelry sale in Geneva. Fancy vivid blue diamonds of more than 10 carats ...