Guess the Engagement Ring!

Who wears a $5 million ring? Who flashes a black diamond? See how well you know the rocks that got these girls to say "I do!" By Cara Lynn Shultz

Correct Answer: Beyoncé Knowles

Following her secret marriage to longtime beau Jay-Z in April 2008, Beyoncé Knowles has been wearing this weighty 18-carat flawless diamond from jeweler Lorraine Schwartz. (Jay-Z even calls out the jeweler in their duet "Upgrade U"!)