That has everything to do with performance though... not image quality of which the screen would be the most important factor. A solid IPS panel with a wide color gamut will produce a great picture regardless of a low end CPU or lack of RAM or a GTX 1660Ti compared to a RTX 2080 Ti..But without a decent CPU, graphics solution, and plenty of RAM to drive a properly rendered image out to the monitor,
That said, is she a professional photo editor where proper color reproduction from a monitor is paramount or is she just editing family photos?
...dear OP - WHERE ARE YOU?!!! We'll go in circles all day long until Ringside replies... let's wait to hear back before we continue this cycle, please.