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

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world ... the collection — the Napoleon Diamond Necklace, the Marie-Louise Diadem, the ...

this extraordinary diamond has been reimagined time and again by the greatest names in jewelry history. With its royal provenance, exceptional color, and remarkable size, the Golconda Blue stands ...