The most common and most likely answer to this crossword clue is the 4 letter word MIRĂ“
I've seen this crossword clue in Financial Times
M
I
R
Ă
“
More clues leading to the result MIRĂ“
- Artist of major importance making comeback
- Artist coming from Russian commune with nothing
- Artist into origami, Rossetti
- Artist seen in mailroom every now and then
- Placed upside down in error, impressionist artist
- Border lifted on old Spanish artist
- Artist makes marks with topless pen
- Partially seen from behind, sculptor I mistook for painter
- Modern artist observed in film ironically
Buddy explains!

The straight part
We know that "Modern artist" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case modern artist = mirÓ.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MIRĂ“ mean?
MIRĂ“ noun- The dark, durable, attractive wood of the portia tree Thespesia populnea.
- Prumnopitys ferruginea, a conifer of New Zealand.