Diabolos Prime can i have it? ^ ^Follow

Hey, are there some ppl who can help me with killing Diabolos-Prime (uncapped)?
I have shouted in Jueno many times, but its very hard to find the right ppl for this...
Maybe some of you can help me with that?

The best setup for getting diabolos-Prime is:

BLM
BLM
BLM
BLM
TANK
HEALER (thats me then)

Im the healer couse my highest job is smn 58 ^^;
I hope that is ok, but i think as healer it is high enough for this or not?

Please Help me out! I REALLY want Diabolos!

/tell Carmelo