18ct Yellow Gold 0.12ct Diamond Whitby Jet King's Coronation Hallmark Princess Cut 5mm 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 0.12ct Diamond Whitby Jet King's Coronation Hallmark Princess Cut 5mm 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 0.18ct Diamond Whitby Jet King's Coronation Hallmark Princess Cut 6mm 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 0.12ct Diamond Turquoise King's Coronation Hallmark Princess Cut 5mm 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 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 Yellow 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 Yellow Gold Blue John King's Coronation Hallmark Large 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 Large 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 Fleur De Lis Link Disc Chain Necklace, N747. This on trend 18ct yellow gold chain necklace features petite discs embellished with Fleur De Lis shaped fine Blue John stones that have been sourced directly from the North East coast of Yorkshire. All our Blue John jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen transform the natural Jet into these stunning pieces of jewellery. You can find other matching Blue John jewellery on our website and in store.

18ct Yellow Gold Blue John 0.20ct Diamond Trilogy Ring, R1111. This unique 18ct yellow gold ring features a stunning hand carved round cabochon of the finest Blue John stone which has been sourced directly from Castleton, Derbyshire. Two sparkling diamonds totalling 0.20cts sit each side of the beautiful Blue John. The perfect engagement ring featuring a rare British gemstone.