99. The Queen’s Diamond Shamrock Brooch

   The origins of this brooch are unknown; it was first worn by The Queen during her official visit to Northern Ireland in June 2012 to mark her Diamond Jubilee.

   This brooch features three shamrock motifs, each consisting of three large diamonds and a number of smaller stones, with diamond-set stems; wrapped around the stems is an emerald-set ribbon.

   No more information is known on the provenance of this brooch.