C W Sellors Sterling Silver Whitby Jet Marcasite Oval Framed Edged Necklace. P1310 This oval framed edge sterling silver necklace is hand made using locally sourced Whitby Jet and accented with sparkling marcasite gemstones for a vintage touch. It features a small sterling silver heart detail and is completed with an 18 inch sterling silver chain. Dimensions: 23mm x 12mm, Whitby Jet; 9mm x 7mm. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.