18-karat yellow gold, Gemfields Zambian Emeralds and diamond earrings Elegant and timeless Gemfields Zambian Emeralds are always at the heart of House of Meraki's exquisite collections. Made from 18-karat gold, these earrings have glistening diamond studs suspended by naturally vivid Zambian gemstones. A symbol of truth, love and loyalty, they'll make a thoughtful gift.