Opinions please, performance on small OEC diamonds

[rockysalamander]

I found these two little OECs at a good price. Can I get an opinion about the performance? Trying to decide if I see a nailhead or not. They were offered to me at $1100 USD. Each is 0.4 carats. Reported as eye clean.

**edited by moderator, no personal video links for everyone's safety please**

Thanks!!