A Great Idea For David and Ann Henderson, owners of Henderson & Co. Jewelers, Mechanicsburg, Pa., fair trade plays a small but growing role in their business. When the Hendersons started carrying stones from Columbia Gem House, Vancouver, Wash., David thought more customers would appreciate what they represented—laborers paid honest wages and with fair working conditions. “Consumers buy Fair Trade coffee, so I thought [fair trade] jewelry was a great idea,” says David. “If [retailers] all got involved and pushed the virtues of fair trade, then we'd all have better relationships with our customers.” For now, 15 percent of the Hendersons' inventory is FT (diamonds are noted conflict-free on supplier invoices). But David promotes the gems on his Web site and with in-store signage. He also tries to speak about FT jewelry in his community—at church groups,