18ct Yellow Gold Blue John Open Marquise Shaped Necklace, P3370 This elegant necklace features a stunning marquise shaped cabochon of the finest Blue John stone, sourced directly from Castleton in Derbyshire. The Blue John is placed within an open marquise 18ct Yellow Gold frame for a unique, stylish finish. Open work detail at the side of the Blue John is a lovely enhancement to the piece. The beautiful 18ct Yellow Gold pendant hangs gracefully from an open bail on a fluid 18 inch long 18ct Yellow Gold chain complete with a classic bolt ring clasp for easy wear. 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 stylish pieces of jewellery. You can find other matching Blue John jewellery to complement this necklace online and in our stores.  This item will arrive lovingly and securely dispatched in our elegant jewellery packaging. Dimensions 35mm x 12mm, Blue John; 20mm x 8mm