![The Heart of the Ocean blue diamond from 'Titanic,' plus more of the stars' most expensive jewelry | Gallery | Wonderwall.com The Heart of the Ocean blue diamond from 'Titanic,' plus more of the stars' most expensive jewelry | Gallery | Wonderwall.com](https://www.wonderwall.com/wp-content/uploads/sites/2/2019/02/1048594-91st-academy-awards-arrivals-los-angeles-usa-24-feb-2019.jpg?h=800)
The Heart of the Ocean blue diamond from 'Titanic,' plus more of the stars' most expensive jewelry | Gallery | Wonderwall.com
![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? | South China 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? | South China](https://cdn.i-scmp.com/sites/default/files/styles/1200x800/public/d8/images/canvas/2023/02/24/a6f048b2-d9f0-47ea-96f5-d1128cd96f26_5efb50af.jpg?itok=eTiBhNfi&v=1677232293)
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? | South China
![5 of Kate Middleton's most expensive royal jewellery, from Princess Diana's engagement ring given to her by Prince William to Queen Elizabeth's Cartier Halo Scroll Tiara borrowed for her wedding day 5 of Kate Middleton's most expensive royal jewellery, from Princess Diana's engagement ring given to her by Prince William to Queen Elizabeth's Cartier Halo Scroll Tiara borrowed for her wedding day](https://cdn.i-scmp.com/sites/default/files/d8/images/canvas/2023/01/20/b689267a-d63c-4588-b1a5-e11e40094b78_dfa48b8c.jpg)