Ban Zu Earrings - Gold - Jade RedBan Zu Earrings with 18K Gold plating and Jade Red translucent resin insets. The Ban Zu collection finds its roots in the eponymous port settlement of Ban Zu in Ancient Singapore. The motif on the Ban Zu Earrings brings a modern stylistic interpretation to the lattice patterns found on precious Chinese ceramics and wares traded at that time.