Mariah Carey Photos - Singer Mariah Carey (C) accepts the Choice Music Love Song award with presenters Ashlee Simpson (L) and Nick Cannon (R) onstage at the 2005 Teen Choice Awards held at Gibson Amphitheatre at Universal CityWalk on August 14, 2005 in Universal City, California. - 2005 Teen Choice Awards - Show
Mariah Carey's $ 2.5 million engagement ring from Nick Cannon. Cannon worked with Jacob & Co to design this 17-carat stunner. Its a square emerald-cut pink center diamond surrounded by 58 intense pink diamonds and two half-moon diamonds on each side.