#$%^&*AU2010283884B220160324.pdf#####28 ABSTRACT The present invention relates to a method for non-destructive judgment of pearl quality by measuring the 5 ultraviolet - visible reflectance spectrum and/or ultraviolet visible fluorescence spectrum of a pearl or pearl shell to be inspected and comparing the values obtained with those preliminarily measured for a normal pearl or pearl shell.. The present invention also relates to a non-destructive inspection 10 apparatus of pearl quality. According to the present invention, the quality of the aimed pearl or pearl shell can be easily and rapidly judged under a non-destructive condition.