'Resilience' Celtic Knot Stepping StoneCeltic Knot designs date back as far as 500 BC, and flourished during the Late Roman Empire in Celtic cultures, around 300 and 400 AD. Our beautiful Celtic Knot Stepping Stones display traditional quaternary knot designs and are inspired by the beauty of the natural world. A version of the Dara Knot, this Stepping Stone represents resilience. The Dara Knot is one of the oldest designs, and has been interpreted by artists for centuries. Celtic Knots