The quaternary knot is a symbol of great significance in Celtic lore, alluding to the idea of eternal love, friendship, and devotion. Our pendant & chain are made of 100% sterling silver, a high quality material that is resistant to rust & tarnishing, ensuring that their timeless shine will be enjoyed for generations to come. Black, brown, and white cubic Zirconia gemstones add an extra sparkle and make this pendant a truly remarkable piece. The pendant measures 0.9" x 1.1", making it a delicate accessory that you can wear right away with its 18" chain on a special occasion or an everyday basis.