We use cookies to understand how you use our site and to improve your experience. This includes personalizing content and advertising. By continuing to use our site, you accept our use of Cookies, revised Privacy Policy and Terms of Use.
  • 2 views
  • Edit

The secret behind the world's rare blue diamonds

2018-08-02 02:54
The Farnese Blue is a 6.16-carat, pear-shaped blue diamond. It was given to Elisabeth Farnese, the Queen of Spain, in 1715. It sold for $6.7million at an auction in May. Credit: Associated Press/British Movietone/Handout