18ct Yellow Gold Blue John King's Coronation Hallmark Small Oblong 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.

18ct Yellow Gold Blue John King's Coronation Hallmark Small Rhombus 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 Oblong 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 G Necklace, P3454. From the new 'Love Letters' collection designed and handcrafted by C W Sellors, this 18ct yellow gold necklace features an initial 'G' 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 Large Cross Heart Necklace, P1542. This elegant necklace is part of our Cross Heart collection. It features a large sized hand carved heart shaped Blue John stone that has been sourced directly from the Derbyshire Blue John Cavern in Castleton. The individual highly polished Blue John has been framed within a 18ct yellow gold mount that embraces the gemstone in a cross design. It sits gracefully on a 18" 18ct yellow gold chain completed by a classic bolt ring clasp for easy wear.

18ct Yellow Gold Blue John King's Coronation Hallmark Wide Cushion Bangle 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.