Moments ago, we made the following hotfix live in all regions-- Emissary rewards of gold now provide 2000 gold (was 700). Emissary rewards of Azerite now provide 1600 total AP (was 1000).

Blizzard

PSA: We're currently working on a hotfix that will increase the gold and Azerite rewards from Emissary quests. We hope to have this change live within the next 24 hours, so if you have an active Emissary that rewards gold or Azerite, you may want to wait to complete it!