I've told you before, but I got a thing for metal stud rhinestones. I think they're excellent decoration for a manicure that you've worn for a while and want renewed.
this post. I think these are 5-6MM x 4MM.
HERE. It's duochrome and I actually think this design would look better with a creme as a base instead but this was fun trying out anyhow.
W7 - Metallic Neptune
Diamond shaped metal stud rhinestones