It's not money until it's money as the saying goes.
Would have been a good idea to wait until you had 4 paid in so you are not stuck with unwanted expensive diodes.
Is almost always the case on LPF that eyes are bigger than wallets and several people who want, drop out when it becomes real $s.
If you have an extra one or 2 you could try listing on eBay and see if there is any interest there.
If you have not already done so, offer over on Photolexicon as well.