18ct Yellow Gold Blue John King's Coronation Hallmark Medium Square Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Medium Square Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Medium Square Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John Love Letters Initial E Necklace, P3452. From the new 'Love Letters' collection designed and handcrafted by C W Sellors, this 18ct yellow gold necklace features an initial 'E' with a circular Blue John stone, sourced directly from Castleton, Derbyshire. The pendant and stone hang elegantly from a 18 inch 18ct yellow gold chain. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural Blue John stone into these stunning pieces of jewellery.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Square Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Square Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Square Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Round Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Round Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Round Ring As anyone with a love of fine jewellery and its craftmanship will know, the UK hallmark provides a unique and identifying feature to any design. Dating back to the 14th century, UK hallmarking has provided customers with a sign of excellence, origin and approval on all jewellery passed through their Assay Offices for inspection.