18ct Yellow Gold Whitby Jet King's Coronation Hallmark Princess Cut 4mm 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 Whitby Jet King's Coronation Hallmark Princess Cut 4mm 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 Whitby Jet King's Coronation Hallmark Princess Cut 3mm 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 Whitby Jet 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 Whitby Jet 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 White Gold Blue John Diamond 0.20ct Round Claw Set Ring, R1270. This unique 18ct yellow gold ring features a stunning hand carved cabochon of the finest round Blue John stone. The Blue John measures approximately 4mm in diameter and has been sourced locally from Castleton, in the heart of the Peak District.

18ct Yellow Gold Whitby Jet King's Coronation Hallmark Small 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 White Gold Blue John Diamond 0.20ct Round Claw Set Ring, R1270. This unique 18ct yellow gold ring features a stunning hand carved cabochon of the finest round Blue John stone. The Blue John measures approximately 4mm in diameter and has been sourced locally from Castleton, in the heart of the Peak District.

18ct Yellow White Gold Blue John Diamond 0.20ct Round Claw Set Ring, R1270. This unique 18ct yellow gold ring features a stunning hand carved cabochon of the finest round Blue John stone. The Blue John measures approximately 4mm in diameter and has been sourced locally from Castleton, in the heart of the Peak District.

18ct Yellow White Gold Blue John Diamond 0.04ct Round Claw Set Ring, R1272. This unique 18ct yellow gold ring features a stunning hand carved cabochon of the finest Blue John stone, sourced locally from the heart of the Peak District, Castleton. 0.04cts of sparkling diamonds are set either side of the beautiful Blue John. The perfect engagement ring featuring a rare British gemstone.