The S. T. Dupont Ligne 2 Champagne lighter was inspired by the small bubbles found in champagne. The lighter is made of eighteen karat white gold and is studded with lines of brilliant cut diamonds evoking their signature diamond head pattern. The lighter has four hundred and sixty eight diamonds encrusted into it totaling more than five carats. The lighter functions using S. T. Dupont’s naptha system developed in 1946 and known for its reliability.