9ct Yellow Gold Blue John Stone Rose Ring. R873. This feminine, detailed ring has been created using the finest quality, hand carved Blue John which is sourced directly from Castleton, Derbyshire. The circular gemstone is surrounded by a swirling rose design of 9ct Yellow Gold that catches the light, beautifully. The perfect gift for someone special. All our Blue John jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen transform the natural Blue John into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John rings online and in store. Your purchase will be securely dispatched with our elegant, personalised jewellery packaging.