18K yellow gold polished finish rope motif open cuff design turquoise pavé-set round-cut diamonds totaling 0.13 carats 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.