18ct Rose Gold Blue John King's Coronation Hallmark Medium 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 Rose Gold Blue John King's Coronation Hallmark Medium 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 Rose Gold Blue John King's Coronation Hallmark Large 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 Rose Gold Blue John King's Coronation Hallmark Large 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 Rose Gold Blue John King's Coronation Hallmark Large 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 Rose Gold Blue John King's Coronation Hallmark Large 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 Rose Gold Blue John King's Coronation Hallmark Large 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 Rose Gold Blue John King's Coronation Hallmark Large Oval 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 Rose Gold Blue John King's Coronation Hallmark Large Oval 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 Rose Gold Blue John Heritage Round Necklace. P018. This classic necklace is part of our Heritage handmade jewellery collection and features a stunning cabochon of fine Blue John stone which has been sourced directly from Castleton, Derbyshire. The gemstone is simply and exquisitely set in 18ct Rose Gold. Sold complete with an 18 inch 18ct Rose Gold chain which fastens securely with a bolt ring style clasp.