News Hugh Hefner's Fiancee Shows Off Engagement Ring By Raphael Chestang 9:15 PM PST, December 11, 2012 Twitter 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.