I have looked at enough pics that I am officially crosseyed, and I have looked closely at my budgies, I still cannot distinguish the difference between the greywings and dilutes. I am adding a pic as an example, Mom or dad neither one were greywing or clearwing to my knowledge, are these mutations sexlinked? This one I know is violet, but dilute or clearwing or greywing. If better pics are needed please let me know. This mutation stuff is complicating! Hopefully I am not the only one having this trouble.
It would be helpful to see the back of the budgie in question, as well as a clear shot of the wings. However, going from that picture i would say it is a dilute given the pastel shades and the very very light throat spots. Just a guess
The 2 in your photo are both greywings. Dilutes would be a lot lighter in both the wing markings and the body colour, ideally dilutes should have hardly and colour at all (except white or yellow). Clearwings have lighter wing markings and brighter body colour. Unfortunately there are a lot of birds that appear to be in between the standard types and also some of the examples shown on some websites are not well chosen
These 3 mutations are not sex linked, they all recessive in their breeding pattern. So the parents of your birds would both have carried the greywing gene but would not necessarily have been greywing themselves