By A Mystery Man Writer
QUEEN ELIZABETH'S Williamson pink diamond brooch is the second most valuable brooch in her collection, and a jewellery expert has explained why.
25 of the Queen's most valuable brooches – VISIT
Queen's Williamson Pink Diamond Brooch
Queen reportedly changed original use of Williamson brooch's pink diamond
Queen's Williamson Pink Diamond Brooch
Royal Family: The Queen's massive £25 million brooch with the most valuable diamond in the world - MyLondon
Queen's Williamson Pink Diamond Brooch
Royal Family: The Queen's massive £25 million brooch with the most valuable diamond in the world - MyLondon
Queen reportedly changed original use of Williamson brooch's pink diamond
Platinum Jubilee Jewel Countdown: The Williamson Pink Diamond Brooch
Royal Family: The Queen's massive £25 million brooch with the most valuable diamond in the world - MyLondon
From one Williamson Pink to the other - HIGH JEWELLERY DREAM
Queen's Williamson Pink Diamond Brooch
Queen's Williamson diamond brooch: Reason why it's valued at £25million