The Queen Mary Amethyst Tiara

Photos (clockwise from top left): Queen Mary of the United Kingdom; tiara detail; tiara detail


Queen Elizabeth II of the UK has a massive jewel collection, with tiaras featuring all sorts of precious stones. But one notable stone lacking from the queen's tiaras is the amethyst. That wasn't always the case, though; once upon a time the Windsors did have amethyst tiaras, including this