18kt yellow gold diamond Thoroughbred Loop bracelet from DAVID YURMAN featuring 18kt yellow gold, polished finish, pavé-set diamonds and single loop. 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..