C W Sellors 9ct Yellow Gold Whitby Jet Round Stone Set Ring, R500. This circular Whitby Jet and 9ct yellow gold ring is hand polished so smoothly that this entire piece has a mirror shine. The gemstone is set into the precious metal so that there is a flat surface and a flawless join between the materials. Dimensions: Whitby Jet; 8mm x 8mm Band Width; 2mm. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.