The Trinity symbol on this marble necklace signifies eternal life and never-ending love, with no beginning and no end. This stunning necklace has been created in sterling silver and features Connemara marble and Celtic Knotwork. Connemara marble is a unique stone is known as “Ireland’s gemstone”. This large Celtic Trinity Knot necklace is a beautiful way to wear your heritage. No two Connemara marble jewellery pieces are alike, reflecting the individuality of each green marble.