18ct White Gold Blue John White Mother Of Pearl Double Sided Swivel Fob Necklace, P209. This classic fob swivel necklace is part of the C W Sellors Heritage handmade collection and features double sided pendant set with oval cut locally sourced Blue John and White Mother Of Pearl. The stones are set in a hinged 18ct white gold pendant, which moves with the wearer and features a unique open chain design, hanging gracefully from an 18 inch 18ct white gold chain.  All our gemstone jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural gemstones into these stunning pieces of jewellery. You can find other matching gemstone jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Blue John and White Mother Of Pearl stones; 18mm x 14mm.