you can go
19x8.5, high disk, +42/ 67 mm lip
19x9.5, low, +43/ 94 mm lip...(may be super low would work too, +43/100 mm lip)
or 19x8.5, high
19x10, low disk, +43/101 mm lips
classy looking wheels(Carlsson 2/6 inspired) for your Celsior...
but JDM wheels offer more sizes and finish choices