Ancient Celtic knots, with their magical never-ending loops representing loyalty, friendship and love are a special way to send a message from your heart. Each of our specially gift-boxed Triquetra, Trinity knot pendants features a sparkling Swarovski® crystal representing a different birthstone (along with the meaning of the stone) making them even more personal. A thoughtful and meaningful gift for someone special. Pendant 2.2cm x 2.8cm. Rhodium plated chain L18 (46cm) with convenient magnetic clasp.