Red Cross Diamond

【Geneva, Swit】Two Large Diamonds and Princely Tiaras at Christie’s Auction

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Editor’s NoteChristie’s upcoming Magnificent Jewels sale in Geneva features “The Rock,” a historic 228.31-carat diamond with a high estimate of 30…

【Geneva, Swit】In Switzerland: The Largest White Diamond Ever to be Auctioned

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Editor’s NoteThis article previews the upcoming auction of “The Rock,” a 228.31-carat diamond estimated to fetch $20–30 million. If you are…

【Geneva, Swit】The ‘Red Cross Diamond’: One of the World’s Most Extraordinary Gems

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Editor’s NoteThis article revisits a poignant chapter in auction history, detailing how Christie’s London harnessed public generosity during the…