You can buy Ciaté's expensive nail Caviar:
Or you can go to etsy.com and buy 18 mini bottles of so called Micro Beads, which is exactly the same, for just 7 dollars:
Guess what I did!?! ;)
I'm not sure what to think about this trend. It is a bit like what-are-we-going-to-come-up-with-now. I will only make an accent nail with the beads or perhaps french tips for special occasions. Eva from Coewless has made a bead-manicure, which I think is really nice.