They are both gorgeous - purple is my fave colour so I guess there is a bias in there as well!
Iam very impressed that you just eyeball the clasps and not work to a formula - that is very cool I have to work to a formula - just the way my brain works I guess. I would be very interested if there is any advice you would give (further to that which you have already given) and indeed any you receive. I am always on the lookout for ways to make new clasps so that the piece is that little bit (more...) unusual...
Anyway they are brill