Every pavé diamond or colored gemstone is carefully matched for color and hand set—a tribute to DY artistry. 18-karat yellow gold bezel-set pink tourmalines, total carat weight ranges from 1.40 to 1.70 (dependent on size) ring, 4mm 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.