A walkable skylight lighting system, installed to a roofing structure, including a skylight having a pane and framing members that surround and support the pane, and including a paving surface, the paving surface having a plurality of pavers that extend immediately adjacent to the skylight. The pane is an insulating glass unit (IGU) having structural glass panels and a thermal panel that are separated and sealed by a spacer, and separately supported so that they do not crush the spacer. The framing members include an upper framing member that has a lighting channel containing an LED lighting strip that edge lights the structural glass panels in the pane.