18kt yellow gold polished finish delicate chain adjustable-length chain lobster claw fastening bezel-setting round-cut diamonds totalling 0.18 carats bracelet size: 4.6mm chain: 1.7mm To ensure the shine and polish of your David Yurman piece, wash with a little non-bleach, soapy water and wipe clean with a soft cloth. 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.