iges to skp conversion is quite often searched by users that are looking for a way to import IGES 3D content to SketchUp, either to just view it or to turn it into the default SketchUp format.
As usual Simlab offers plugin for SketchUp that add support for IGS/IGES format for to the software, but of course you can always use a generic exchange format instead, for example OBJ format which is supported in SketchUp just fine.
Updated: November 1, 2023