According to the auction house, some of the diamonds from the necklace may have come from the "Affair of the Diamond Necklace ...
Celebrities like Meghan Markle, Zoe Kravitz, Lady Gaga, and even Prime Minister Narendra Modi approve of lab-grown diamonds.
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 ...