Royal jewels: Queen's Williamson pink diamond brooch

Queen's Williamson diamond brooch: Reason why it's valued at £25million

Rare 11.15-carat 'Williamson Pink Star' diamond set to break records at Sotheby's Hong Kong, Auctions News, THE VALUE

10 most expensive royal jewellery pieces, ranked: from late Queen Elizabeth's Cartier and 'Granny's Chips' brooches to Princess Diana's Swan Lake Suite, which royal has the most precious piece?

Platinum Jubilee Jewel Countdown: The Williamson Pink Diamond Brooch

All the Queen's Bling: See Her Majesty's Jewelry on Display at Buckingham Palace

The Williamson Diamond Brooch — The Practical Gemologist

Queen Elizabeth's Brooches Are Full Of Meaning

NationalGalleryAus on X: On Her Majesty Queen Elizabeth's jonquil brooch is the largest pink diamond ever found. See her personal jewels in 'Cartier: The Exhibition' – Image: Cartier London 'Williamson brooch

Elizabeth Pink's Instagram, Twitter & Facebook on IDCrawl

Replica Royal Brooch - Plymouth Auction Rooms, antiques, collectables and paintings, valuations and auctions in Plymouth - Tel 01752 254740