Rebecca Sellors Necklace Blue John Flore Filigree Silver. P2339C. This mesmerising necklace boasts a stunning round cabochon piece of fine Blue John stones that have been sourced directly from Treak Cliff Cavern in Castleton. The stone is embraced within the centre of an intricately crafted Sterling Silver setting, which has been clever designed with filigree open detailing so the striking colour of the Blue John peeks through. The pendant hangs from a delicate Sterling Silver chain complete with a classic bolt ring 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 stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John necklaces online and instore. Sterling Silver and Blue John, dimensions 2.1cm diameter. 18" Sterling Silver chain included.