12 Photos Of The Royals In Aquamarines, Including Princess Diana's Famous Cocktail Ring

For one of her first big state events since the pandemic started, the Queen attended the opening of Parliament on May 11, 2021 in the Boucheron Double Clip brooch. The art deco duo, made from aquamarine and diamonds, was given to the Queen by her parents, King George VI and the Queen Mother, on her 18th birthday in 1944.