Laura by Gordon MacRae - from 1957 - his rendition of the music from the 1944 film by the same name - starring the lovely Gene Tierney.
Gordon MacRae performing "If I Loved You" (1960)
Gordon MacRae's rendition of "If I Loved You" (reprise) from the soundtrack of the 1957 movie. This video is not viewable in Japan due to copyright restriction..
From "Motion Picture Soundstage" CD. Also sung by Kathryn Grayson in "Anchors Aweigh."