9ct Yellow Gold Turquoise Hallmark Medium Square Ring - Gold

9ct Yellow Gold Sterling Silver Turquoise Hallmark Medium Square Ring. R604_FH. 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.