Nora Lighting. The Diamond Series of LED recessed downlights for new construction, remodels, or retrofits include 4-inch, 5-inch, and 6-inch models. Fixtures in the Energy Star-rated series offer up to 50,000 hours of performance and come in reflector or baffle models with finishes including bronze, natural aluminum, copper, chrome, black, and white. 800.686.6672. www.noralighting.com.