9ct Yellow Gold Blue John Round Tree Drop Earrings, E2429. This set of elegant 9ct yellow gold and Blue John tree design drop earrings are perfect for any occasion. In ancient times the Tree of Life was considered to be a symbol of immortality. The leaves on the tree were thought to have magical properties and elements to heal the soul.All our Blue John jewellery is designed and crafted within our very own workshop, where a team of skilled craftsmen transform the natural Blue John stone into these stunning pieces of jewellery.All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.