This is one trend that you will either run to the hills from based on the very real fact you might look a right nit wit.
If you want to embrace it then well, I think go quality i.e. splash the cash or keep it simple!
Blow the budget on a Markus Lupfer sequin Saturn jumper at Matches for £268
Keep it on the right side of affordable with a Knitted Cream Ampersand Symbol jumper for £46 at Topshop