Sterling silver blue john rope frill ring r010 this elegantring is part of our heritage handmade jewellery collection and boasts a stunning ovalshaped cabochonofblue john stone that hasbeen sourced directly from treak cliff cavern in castletonthe stone is framed within an exquisite sterling silver setting with delicate rope edge detail and completed with a classic sterling silver band all our blue john jewellery is designed and crafted within our very own workshops in ashbourne derbys