First vs 2:1

Hi there,

Final year undergraduate economics student here. Just wanted to know how relevant the difference is between a 2:1 and a first, to get a first job.

The reason I'm asking is because I could put my feet up and coast to this 2:1 or I could put myself through hell and get a first. From my understanding, your classification barely matters after you start working; your last job becomes the most important.

I know the job market is horrible, but is the difference enough to make myself go crazy for the next 3 months?