Sterling Silver Blue John Seven Marquise Stone Celtic Bracelet. B594. This elegant bracelet features seven beautiful hand carved marquise shaped Blue John gemstones, that has been sourced directly from the Derbyshire Blue John Cavern in Castleton. The highly polished Blue John gemstones are framed within a unique sterling silver Celtic design, which fastens securely with a classic lobster clasp for easy wear. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen turn the raw Blue John stone into these stylish pieces of jewellery. You can find other matching Blue John jewellery and other Blue John necklaces on our website. Dimensions: Bracelet: 195 x 12mm, Blue John 11 x 5mm