No problem! I won't say I'm exactly right though, I'm kinda bad at estimating the size of stuff. But It looks smaller than 5/8" and definitely bigger than 0G/00G, so I'd say if you're not right about 7/16" it's 1/2".
I have 1/2" lobes and 11 piercings: left helix x2, both conches, both nostrils, septum, navel, and VCH.
My lobes are small but I know a lot about stretching and how to do it safely, so message me if you have any questions!