Royal watchers have been waiting with baited breath for an engagement announcement from Britain's future King, Prince William
, since he began dating his pretty girlfriend Kate Middleton
eight years ago.
Finally, with the news everyone has been waiting for confirmed by the Palace, the build-up to the wedding of the decade can get underway – but not before the world has been treated to a glimpse of the future Queen's stunning engagement ring.
Poignantly, William chose to give his fiancee the same jewel worn by his late mother, Diana - an enormous 18 carat blue sapphire surrounded by smaller diamonds.
So how does it compare to other royals' sparklers? Here, we take a look at the rocks adorning the hands of some of the world's leading regal beauties...