Silver blue john small oblong stone ring r221 this stunning statement ring part of our heritage handmade jewellery collection boasts astrikingcabochon rectangular shaped piece of rare blue john stone that has been sourced directly from treak cliff cavern in castleton the stoneis set within a highly polishedsterling silver base and completed with a contemporarylookingstatement sterling silver band all our blue john jewellery is designed and crafted within our very own workshops in ashb