in Leslie Field's book, page 138-"One brooch from the people of Australia, is a 3 1/2 inch-long, three dimensional hibiscus flower set with 346 flawless diamonds and thrity-four Burmese rubies. When Her Majesty was given the brooch in Canberra she immediately pinned it on, saying 'How beautiful, how very beautiful."
Queen Elizabeth II wore this brooch for the first time in 2006 during her Australian tour. She inherited the brooch from QEQM her mother.