Sterling Silver Blue John Seashell Necklace, P2549. This beautiful pendant has been handcrafted from sterling silver in the form of an ridged edge, textured seashell. It features a hand carved and polished cabochon of the finest Derbyshire Blue John. Sold complete with an 18 inch sterling silver chain which fastens with a classic bolt ring style clasp. All our Blue John jewellery is designed and crafted within our very own workshop where a team of skilled craftsmen transform natural pieces of Blue John into these stylish pieces of jewellery. You can find other matching Blue John jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.  Dimensions: 14mm x 10mm, Blue John; 4mm x 4mm