Could be female but the cere is actually looking violet. We'll need a pic in natural daylight to confirm.
Don't worry about the dark area on the beak, it's just excess melanin and it shows they're a very young bird - it'll grow out.
This is a light blue-grey budgie. I've noticed that blue-grey budgies, especially light coloured ones, are very hard for me to tell. Beautiful budgie though. Is this little one going to join the one in your avatar post-quarantine?