Small half pea sized tender to the touch bump in labia minora no itch or odor I've had it for 6 days hasn't gotten bigger had unprotected 2 weeks ago?

Lump on Labia minora. This could be a simple scar from minor injury or small inclusion cyst. However, there are various potential stds that may also be responsible and would require an exam and possible culture. It is important to evaluate these possibilities with an examination.
Bump. Make sure you go and see your doctor asap. You needs to get a full std panel. This is how you rule out potentially serious diseases that may affect your health later.