Stone check please help

I received more videos of the proposed stone for my custom ring. (More videos linked in comments) I asked for a light gray, OMC, slightly elongated cushion. I don’t have the knowledge or experience to determine if the cut is good, so I would love opinions on that. And then the color- it’s definitely darker than I was thinking, do you think I should go for it anyways or ask for a new stone that’s lighter?