Is is okay to write "awarded" when the selected list is released online, but final offer yet to receive?
In general I would say that this is perfectly acceptable (although the phrasing more accurately should not use the past, but the future tense - "I will receive the 2019 XYZ award, see ").

The only reason I see to be cautious about this is if it's not 100% sure yet that you will actually get this award. I would say if the respective agency or selection committee has already made available a public list I would count this as sufficiently certain, but if you for instance had learned about it through more informal means (e.g., your department head has received a phone call that one of his employees will receive additional funding, or something along these lines) I would be a bit hesitant to already officially brag about your award.