The phrase 'which is different' is grammatically correct and usable in written English. You can use it as a part of a sentence to compare two or more objects or ideas. For example, "I tried two different types of ice cream, one was chocolate and the other was vanilla, which is different.".
Which is different.
"Which is different territory for us".
Which is different from having hope.
I evolved, which is different".
(That might, at most, make it lawful, which is different).
"It's the application of it which is different and new.
America is different from Germany, which is different from France.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia