18ct Yellow Gold Whitby Jet 0.14ct Diamond Marquise Necklace. P1796C. This elegant necklace features a stunning marquise shaped cabochon of the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The beautiful 18ct yellow gold frame is embellished by dazzling 0.14 carats of brilliant cut diamonds. The pendant hangs gracefully from a fluid 16 inch long 18 carat yellow gold chain complete with a classic bolt ring clasp for easy wear. At C W Sellors, we have an expert team of gemstone and diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Precious Gemstone collection. You can find other Jet pieces online and in store to compliment this necklace. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection. Dimensions: 18x11mm, Whitby Jet: 11x6mm.