Q:
Never received Gem store order
A:
Delete a few mails from your inbox in game and see if that helps, otherwise you’ll probably have to file a ticket.
You don’t win friends with Salad.
How would I file a ticket?
https://en.support.guildwars2.com/
I think you need to create a support account there and then you should be able to submit a ticket.
You don’t win friends with Salad.