All the Queen's Most Impressive Earrings

Rescued from the hands of a wayward royal mistress, the cabochon emeralds have an interesting royal history. The queen's great-grandmother Princess Augusta of Hess won the emeralds in a lottery, but upon her passing, her son Prince Francis gave them to his mistress. Queen Mary purchased them back and had them used to create the jewelry that she wore to the Delhi Durbar — the celebration in India that marked the coronation of her husband, King George V.