The one-of-a-kind ring was created by Santa Barbara based jeweler Daniel Gibbings, and is reportedly 14 carats. See the ring!
A rep for Gibbings said "the style of his engagement rings are not the usual Neil Lane looking ring. They are definitely more trendy or boho."
Sources close to the couple tell People Mag they are "not engaged."
Perry and Mayer began dating in 2012 after Perry's divorce from Russell Brand.
Singer Katy Perry was snapped leaving an Italian restaurant on Valentine's Day with a ruby on her finger and BF John Mayer by her side.