Silver Whitby Jet Patterned Oxidised Shield Pendant Necklace. P2547. This pendant features oval hand carved Whitby Jet stone, which is enclosed within a patterned oval shield style frame made of solid Sterling Silver which has elements of oxidised areas to add extra detail and pattern. The pendant is presented on a fluid 18 inch sterling silver chain complete with a classic bolt ring clasp for easy wear. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen turn the raw Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet necklaces on our website. Silver Whitby Jet Patterned Oxidised Shield Pendant Necklace. Pendant 30x16mm, Whitby Jet; 12x6mm.