9kt yellow gold polished finish signet band bezel-setting heart-cut agate totalling of 0.91 carats pavé-setting round-cut grey diamonds totalling of 0.83 carats Hallmarked in the United Kingdom at the London Assay Office. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non-abrasive products specially meant for cleaning jewellery.