Missing Unicorn Mount

Frequency: Once

World name:Gilgamesh

Character name:Kridoodirk

NPC name:Braya

Monster name:N/A

Class/Level:White Mage /50

Party or solo:Solo

In-game time:N/A

Area and coordinates:Old Gridania 6x,y11
Steps:
1.Im a level 50 White Mage and I already did the quest to get the Unicorn mount.
2.The quest is showing as completed on the journal.
3.Im missing the mount and I need you to replace it and put it back on my account like it should.
4.I've contacted the GMs in game, I called the Square Enix customer support line and send and email out via my computer and through the game, but I keep getting this answers that sound generic and computer generated.
5.Its been more than a week and still no one has been able to help me.