9ct Yellow Gold Whitby Jet Open Heart Twist Necklace, P3130. An elegant pendant which features a hand carved heart shaped Whitby Jet gemstone, which is framed by an open Celtic style heart shaped framework of solid 9ct yellow gold. The price of this product includes an 18 inch 9ct yellow gold chain. Dimensions: 27mm x 20mm, Whitby Jet; 12mm x 9mm. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.