18kt yellow gold polished finish adjustable delicate chain bar pendant claw/prong setting baguette-cut AAA emeralds totalling 0.68 carats round-cut G/VS white diamonds totalling 0.10 carats lobster claw fastening 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.