Silver blue john oval rope edge ring r008 this striking statement ring is part of our heritage handmade jewellery collection and boasts astunningcabochon oval shaped piece of the finest blue johnstone that has been sourced directly from treak cliff cavern in castletonthe stone is placed within an exquisite sterling silver rope setting and is completed with a split shoulder sterling silver band all our blue john jewellery is designed and crafted within our very own workshops in ashbourne