C W Sellors Sterling Silver Whitby Jet Unique Abstract Round Bubble Necklace. PUNQ003859. This  unique pendant by C W Sellors features a highly polished rough Whitby Jet gemstone which showcases the natural beauty of this stunning deep black British gemstone to maximum effect. The pendant is set with a sterling silver bubble effect bale detail. Dimensions of pendant: 39 X 43mm and a 14mm bale. All articles Purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.