18kt yellow gold Pendentif Fiançailles diamond necklace18kt yellow gold polished finish delicate chain statement pendant claw prong setting round cut grey diamond totalling 0. 18 carats lobster claw fastening adjustable fit This piece comes complete with a protective dust bag. 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