9ct Gold Hook Earrings with Round CZ CharmCZ Charm Earrings These ladies' drop earrings are crafted from 9ct gold and feature a simple hook fitting made from 9ct yellow gold. Suspended from each hook is a round, white cubic zirconia charm that measures 5 mm in diameter. Each cubic zirconia stone is precisely cut to catch and reflect the light, creating a clean sparkle. The design allows the earrings to hang just below the earlobe for a subtle drop effect.