If the size of the diamond is any indication of Hugh Hefner's love for bride-to-be Crystal Harris, it's a safe bet to say that he's head over heels.
RELATED: Hugh Hefner Gets Marriage License?
Harris revealed her engagement ring on Tuesday, via her Twitter feed.
"My beautiful ring from [Hugh Hefner]," Crystal posted along with photos of the giant sparkler.
The couple is reportedly planning to wed on New Year's Eve.
They Dated?! Surprising Celebrity Hookups
Star Sightings: Celebrity Candids
Are These Celebs Too Tan?! Cast Your Vote!
