9ct yellow gold blue john toscana pear drop earrings e1123 these striking earrings are part of our toscana collection and feature two stunning pear shaped cabochons of rare blue john stone which have been sourced directly from treak cliff cavern in castleton 9ct yellow gold surrounds the blue john stones the drops are completed by classic post and butterfly fastenings for easy wear all our blue john jewellery is designed and crafted within our very own workshops in ashbourne derbyshire whe