sterling silver Cable Cross diamond necklace from DAVID YURMAN featuring sterling silver, polished finish, round cut diamond, twist detailing, cross charm, rolo chain and lobster claw fastening. Please note that the chain pictured is not included with this item.. 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..