Royal Jewels No One Expected to See at Auction

In 1928, Queen Mary commissioned an exact duplicate of Queen Victoria’s Golden Jubilee necklace. But why order a replica when you already have unrestricted access to the greatest royal vault on earth?
Why did the senior lady of the royal household at the 1953 coronation choose black opals—a gemstone long burdened with dark superstitions in British high society—and later carry that very Cartier masterpiece through London in an ordinary supermarket paper bag?
And how did an imperial French diamond tiara, created under Napoleon III, simply vanish into private hands for nearly seventy years before suddenly stepping back into the light?
Jewels have an uncanny way of illuminating the quiet corners of history where official chronicles fall silent. Today, we look inside boxes hidden from public view for generations —treasures that, quite unexpectedly, came together this November across Geneva’s auction rooms..