Removed from Lego Harry Potter book, legs do not have the lego marking for some reason.  However there are some markings inside the lugs, quite hard to see what it says.

The product is a LEGO Harry Potter Cedric Diggory minifigure, which is part of the LEGO Harry Potter theme. This minifigure features Cedric Diggory, a character from the Harry Potter series, and is designed for building and play. As an authentic LEGO product, this minifigure is sure to be a popular choice for fans of the Harry Potter series and LEGO building toys.