Carey Mulligan Flashes Diamond Ring (PHOTO)

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Carey Mulligan is flashing quite a bit of bling on her wedding ring finger! The actress was spotted Wednesday at the Sydney Airport waiting on a friend wearing a diamond ring. 

This is sure to fuel rumors that the Drive actress is engaged to her Mumford & Sons beau Marcus Mumford. What do you think? Is this a diamond ring or a ring with diamonds? Sound off in the comments!

The 26-year-old star has remained mum about the engagement rumors and she’s been busy filming her upcoming movie Great Gatsby. Check out Carey and her costar Tobey Maguire going on a run in the pics below.