Kim Kardashian Engagement Ring (Photos)

You've seen the wedding invitation. You've checked out the misleading tabloid covers. All that remains is for Kim Kardashian to actually marry Kris Humphries, right?

Wrong. First, we must judge the rock on her finger....

The engagement ring presented to Kim in May - fewer than three months prior to her wedding date - is 20.5 carats. It's rectangular in shape. And it was likely purchased by E!.

Take a close look at it here and then decide: What do you think?