sterling silver diamond curb-chain bracelet from DAVID YURMAN featuring sterling silver, polished finish, pavé-set diamonds, curb chain and clasp 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..