18kt yellow gold polished finish twisted hoop design stud detailing clasp fastening claw-setting round-cut diamonds totalling 0.36 carats for pierced ears earrings: 18.8 x 8.2mm These earrings come as a pair. 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.