9ct Yellow Gold Blue John Long Marquise Unique Necklace, PUNQ0002445 An elegant and unique, pendant of finest Derbyshire Blue John set in 9ct yellow gold and measuring 73mm long. The necklace is complete with an 18 inch, 9ct yellow gold chain. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural Blue John into these stunning pieces of jewellery. You can find other matching Blue John jewellery on our website and in our stores. This item will be lovingly and securely dispatched in our elegant jewellery packaging. Dimensions: 73mm long.