I think this was number 538 in the list of wedding presents for Princess Elizabeth. The entry says Messrs Carrington and Company, Limited - Sapphire and diamond feather brooch
--Previous Message-- : It is a beautiful and classic brooch! Looks : lovely on HM. : : : --Previous Message-- : In the photo gallery with this article : there's : a beautiful close picture of the Queen : wearing the peacock feather brooch: : : : : http://www.getsurrey.co.uk/news/surrey-news/royal-holloway-welcomes-queen-musical-6833731 : : Beautiful shade of blue for her, as well, : and a perfectly designed outfit for the : brooch and pearls. : : :