These yellow gold earrings are set with black 10mm nephrite jade, a stone prized since ancient times that are refreshingly modern today. Black nephrite jade, 10mm. 14-karat yellow gold. Pierced only.Please allow up to 5-10 business days for delivery.We’re on it! We take great care to ensure all Gump’s Signature jewelry orders meet expectations — yours and ours. The process takes a little time — but it’ll be worth it.