The historic piece, which was owned by the highest ranking of aristocracy and worn during at least two royal coronations, is part of auction chain Sotheby's 'Royal and Noble' sale in Geneva this ...
It is thought that some of the diamonds may have come from the necklace linked to a scandal that contributed Marie-Antoinette ...
Some of the diamonds from the necklace may have come from the piece at the heart of the "Affair of the Diamond Necklace" ...