Sterling Silver Blue John Mother of Pearl Round Swivel Fob Necklace, P258_12. This stunning double sided pendant features the finest Blue John and White Mother of Pearl gemstones set in an eye catching sterling silver design. Hand carved to a round shape, the clean cut edges and mirror like shine make this pendant contemporary and unique. Presented on an 18 inch sterling silver chain through a fixed bail at the top.  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 and other gemstone necklaces on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: 35mm x 22mm, Blue John stone: 16mm x 16mm, Mother of Pearl stone: 16mm x 16mm.