18kt yellow gold Mercer diamond multi-hoop earrings from DAVID YURMAN featuring 18kt yellow gold, sterling silver, pavé-set diamonds, varying thickness hoop design, twist detailing and for pierced ears. 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..