It looks like jewels to me. I feel sure I have seen a pic of it without the coronet.
--Previous Message-- : : According to the rules, the peeresses wear : their tiaras until the crowning of the : Queen, when the coronet is simply placed : inside the tiara. : : : Edit: a link explaining : http://members.boardhost.com/coronation/msg/1362285835.html : : : --Previous Message-- : : This pic of the Duchess of Connaught and : daughters Margaret and Patricia completes : the series for the jewels and coronets they : wore to a number of coronations. : : I always find the tiara worn by the Duchess : to be rather awkward. : The top fringe tier does not seem to fit the : lower tier very well. : : Pic from the Royal Collection : : : : : :