Sterling silver blue john unique style hinged bangle b791 this unique sterling silver and blue john bangle has been cut and handcrafted by our skilled jewellery craftsmen to reveal the natural beauty of the blue john gemstone with this stylish modern design each one of these stones are unique in shape so all of the stones are notguaranteedto be the same all our blue john jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled cra