18kt yellow gold polished finish stud design pavé setting round brilliant cut diamonds totalling 0.21 carat post-back fastening for pierced ears earrings: 4.5mm These earrings come as a pair. 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.