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 or matching earrings feature a sparkling Swarovski® crystal representing a different birthstone (along with the meaning of the stone) making them an even more thoughtful and meaningful gift for someone special. Pendant 2.2cm x2.8cm. Rhodium plated chain L18 (46cm) with convenient magnetic clasp. Rhodium plated earrings, 5cm.