186 Lighting Design Group - Gregg Mackell I was the lighting designer on the project, not the interior designer. I'm not sure about it's availability in Egypt, but it is an Onyx slab. For something with this much texture and color, I would guess it is around $3,000 - $6,000US for the slab at the rear. For the lighting, used some wet location rated strip lights and square aperture recessed lights that might have been about $1,500 installed