sterling silver polished finish cable-link chain twist detailing pavé-set round-cut diamonds totalling 0.10 carats toggle 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. 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.