The 11 Most Stunning Brooches in the Royal Vaults

The 23.6-carat centerpiece is considered the best pink diamond ever found and was a wedding gift to the queen from mine owner Dr. John Williamson. The jonquil-shaped brooch was designed by Cartier and comprises dozens of brilliant-, marquise-, and baguette-cut diamonds. Her majesty has worn it many times, most significantly to the weddings of her sons, Prince Charles and Prince Edward.