Celtic Knotwork Sterling Silver Ring TR752Celtic Knotwork Sterling Silver Ring TR752 Celtic Knotwork compels the eye and delights the mind, but its purpose is far deeper: to convey the eternal nature of our universe and our existence, to shed light on the continuation of all things without beginning or end. The endless border of Celtic Knotwork that surrounds the gemstone focus of this sterling silver ring by Peter Stone eloquently and elegantly shares its message of eternity.