How Much is Too Much?

I love limited-edition, spiffied-up compacts as much as anyone. So when I saw this bejeweled Night Diamond compact from Dior, my eyes started twirling around in my head. Sleek black compact? Decorated with chunky clear stones (a couple of which look like my favorite diamond cut, the Asscher)? Filled with a neutral, highlighting shimmer powder? I'm there.But...it's $80. And it's not refillable.I