Bearded Collie Sterling Silver Dog Charm. The Medium Bearded Collie sterling charm is the perfect size - can be used on a necklace or on a bracelet for everyday wear! The charm measures approximately 5/8" and is 0.925% Pure Silver. The Bearded Collie Medium Sterling Charm is a great way for the Beardie dog lover to show their love for their favorite dog breed - the Bearded Collie!