What are the 3 possible ways to fix (correct) the comma splice below? This is not actually a real diamond, it is a good imitation.
Fix #1

Fix #2

Fix #3

Here are six. Pick any three you like.  ;-)

This is not actually a real diamond. It is a good imitation.

This is not actually a real diamond; it is a good imitation.

This is not actually a real diamond, but it is a good imitation.

Although this is not actually a real diamond, it is a good imitation.

This is not actually a real diamond. It is, however, a good imitation.

This is not actually a real diamond; however, it is a good imitation.

Explanation: