18ct white gold whitby jet 316ct diamond 17 stone bracelet b816 this exquisite bracelet features 17 stunning marquise shaped cabochons of the finest whitby jet stone sourced directly from the north east coast of yorkshire the beautiful 18ct white gold frame is embellished by dazzling 316 carats of brilliant cut diamonds 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 de