KEITH JACK Sterling Silver & 10K Yellow Guardian Angel Blue Topaz Leverback EarringsAscending from the spiritual realm, our Guardian Angels appear in many forms to guide and protect us. We are never alone. Materials: Sterling Silver and 10k Yellow Gold with Blue Topaz Dimensions (width x height): 5 8'' x 1 5 8'' Height is measured from top of hook, leverback or stud to bottom of the earring.