Published on: Feb 28, 2014 Celebrities are known for going beyond the expensive. Examples of that are houses, cars, shoes, clothes and ... engagement rings. Below is the list of the top 10 celebrities who have the most expensive ring in the world. The celebrities like to show their rings and insist that all people see their rings. So, here are the most expensive rings ever. From: Prince Charles To: Kate Middleton It's the same engagement ring worn by Diana, Princess of Wales. The sapphire is...