Celtic knot is a knot that has no beginning and no end, meaning endless vitality and never-ending love. Many people regard it as a lucky charm, hoping to bring good luck and a good mood to themselves.Irish Earrings(earrings and hooks) use 58.5% pure gold (in 14k real gold ), Which Makes it Not Easy to Break, Tarnish, or Tangle. Stamped "G14K" or "Au585" , authenticity and quality approved. Great handmade polished, make the surface more smooth and shiny, also very comfortable to wear