Ring-a-ding-ding!
By now, we're all familiar with Kate Middleton's engagement bling -- a sapphire surrounded by 14 diamonds, first worn by Diana back in 1981. But what do you know about other royals' pre-nuptial jewels?
Take a look at a few of our favorite (and most envy-inducing) royal engagement rings.
All captions from AOL's Royal Wedding page, where you can see even more famous engagement rings.
***For more royal wedding news, visit our Royal Wedding 2011 page.***
(Images by Getty or AP)
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