Harry Potter Luna Lovegood Chibi necklace on a silver plated chain Despite being entrapped in the Malfoy Manor Dungeons for months, Luna remained loyal to Dumbledore's Army This necklace has been created using the style guide from Warner Bros. The charm is approx 20mm in height and 20mm wide The Necklace is a silver plated trace chain which is 16 inches in length with a 2.5 inch extender chain This necklace comes on the Harry Potter branded card packaging and shows the Warner Bros logo on the.