Question regarding a degree and postgraduate studies

[TDog39]

I have a bachelor's degree and I have done SOME postgraduate courses in a diploma.
I have NOT finished the diploma but I am guessing my university can award me a certificate of completion for the courses I have done.

So far they are 33 hours. 3 courses have been transferred from my bachelor's since they are exactly the same (so I wasn't required to retake them in the diploma).
My transcript doesn't show their grades since they are equivalent to the ones from my bachelor's degree
This leaves me with 6 courses of new courses besides those 3 that have been transferred.

I have sent the transcripts to WES but now they are asking me for a certificate/document that proves I have completed the diploma.

I have a few questions:

1. Assuming I can get a certificate of completion from my university that shows that I have finished 1 year worth of courses, would that be considered by WES and would I be awarded points for 2 degrees for my CRS score?
2. If the answer for the above question is yes, would finishing this diploma award me more points? (It would be a 2 year diploma instead of 1 year certificate but 3 of those courses will be transferred from my bachelor's degree)
3. Would any of WES' competitors get me a better equivalency?
4. Would there be a chance that WES could completely neglect the diploma/certificate since it may not be recognized by the government or does WES only care about awarding university itself?