Diamond lamps are sourced directly from the same original manufacturers who supply lamps to the leading projector brands. However, with fewer steps to market, they are typically 30% less expensive than the same lamps supplied via the projector manufacturer.
"Diamond Lamps are authorised by Philips Lighting to distribute projector lamp modules using genuine Philips UHP lamps. The light source in a Diamond Lamp is identical to the one Philips Lighting originally supplied in the projector and will therefore give 100% performance in terms of life, brightness and colour."
"Diamond Lamps is an authorised OSRAM dealer with its replacement modules powered by OSRAM lamps."