Can I do my Bachelors degree after Diploma in abroad?

Firstly, to do Bachelor's degree abroad, after Diploma, you should complete your Diploma with some good qualifications. And, you should also need to spend some money to study abroad. But, if you have good qualifications. You can definitely do Bachelor's degree abroad. Hope this will help you.

It depends on the college and country you are seeking admission in. It would be better to communicate to college first before enrolling.

Hi, Yess you can normally but will also depend on a specific college. You must meet all academic requirements including English language requirements.