There is provided an image display apparatus including an acquisition unit for acquiring image data of an original image and cut frame information for designating a range of a cut image cut from the original image, a calculation unit for calculating a length of a perpendicular line from a corner portion of the cut image to an outer frame serving as a reference facing the corner portion of the cut image among outer frames of the original image, based on the cut frame information, a creation unit for creating an implication line corresponding to the length of the perpendicular line as image data, and a display unit for displaying the implication line extending from the corner portion of the cut image to a side opposite to the outer frame serving as the reference of the original image, together with the cut image.