18kt yellow gold 18kt yellow gold DY Elements mother-of-pearl and black onyx disc pendant necklace from DAVID YURMAN featuring onyx accents, mother-of-pearl, box chain and twist detailing. 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.. | David Yurman 18kt yellow gold DY Elements mother-of-pearl and black onyx disc pendant necklace