I FATE grinded to 50 on every job aside from my main, PLD. I accrued enough Gil to purchase high-quality jewellery for every job.
With the seals you earn you should have enough to purchase the level 55 weapon from your GC. You should also have your AF gear.

This only leaves your belt, which is one item in your entire gearset which I believe can be overlooked. (Though, personally I made sure to purchase a HQ belt for each job that I didn't already have a belt for from WP/AK.)