18kt rose gold morganite totalling 3.90 carats pavé-set diamonds totalling 0.27 carats stone: 8mm earrings: 11mm 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.