Diamond II Retrofit Series of LED recessed fixtures includes dimmer-compatible, 5 in. aperture, adjustable LED downlight that is cULus listed for use in existing IC or non-IC housing. Luminaire features 10.55 W LED module that produces 650 lm with 90+ CRI, adjustable gimbal that rotates 356° and adjusts from 0° to 40°, and 2 in. dia module lens optimizes light distribution. Trim options include surface adjustable, regressed baffle (with ring), and regressed reflector (with ring).