Ah yes, looks like they are right. Here are some loom points available right now on the market. You'll have to beat these if you want yours to sell any time soon it seems...
1 heirloom point 550,000 gold
1 heirloom point 549,000 gold
1 heirloom point 548,000 gold
1 heirloom point 545,000 gold
1 heirloom point 538,000 gold
1 heirloom point 537,000 gold
1 heirloom point 535,000 gold
1 heirloom point 530,000 gold