I like them both and it will be difficult to imagine what they will look like, (for me) but I'd probably go with nr. 1 even though i tend to like the darker on the outside and make the inside chain lighter.
But I think in this case, I'd go with the darker on the inside. But, either will be beautiful. When you only look at one block, it doesn't make a statement, but as a whole, it will be wonderful!