While the choices seem infinite, lighting manufacturers know exactly which pieces ignite the most fervor. Achieving best-seller status in such an expansive category is no easy task. What makes a No. 1 performer is a mix of taste, timing and good luck. (Star power doesn’t hurt either, as evidenced by Currey & Company’s Cookie-approved Grand Lotus chan- delier currently starring in Fox’s drama, Empire.) Here are five fixtures with figures, for an illuminating take on what’s burning up the sales charts.