Harry Potter Gryffindor Crest Necklace Gryffindor Charm on a silver plated necklace The crest of the famous Hogwarts house, founded by Godric Gryffindor This charm has been created using a print from the Warner Bros style guide. It is approx 20mm x 25mm. The Necklace is a silver plated trace chain which is 16 inches in length with a 2.5 inch extender chain This charm comes on the Harry Potter branded card packaging and shows the Warner Bros logo on the reverse.