Silver blue john oval split shoulder ring r116 this elegantring is part of our heritage handmade jewellery collection and boasts an strikingoval shaped cabochon of the finest blue johnstone that has been sourced locally from the treak cliff cavern castleton derbyshire the stone is placed within an exquisite sterling silver twisted rope setting and is completed with a split shouldersterling silver band all our blue john jewellery is designed and crafted within our very own workshops in a