Sterling Silver Blue John 6mm Gap Wedding Band Ring, R588. This Blue John and sterling silver ring has been expertly hand cut and crafted within our workshop. This design has been inspired by our Wedding collection and is a proven popular design. The rectangular shaped Blue John segments are set at 1mm gaps around the silver band which is 6mm thick, this intricate design has a striking and smooth finish. All articles purchased are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.