The most fun thing about this trend, is that you can pick one from such a huge variety! There are necklaces made out of lace, metal, fabric, with a stone design, and many more. And if you want to look especially chic you can layer your collar necklaces with some chains.
Dannijo Aram Pointy Collar Necklace
Bryce Canyon Layered Collar Necklace from Free People
Lanvin Beaded Collar Necklace
Miss Wax Lace Collar Necklace
Modern Tribes #2 Peter Pan Collar Necklace
RJ Grazuano Collar Necklace
I will post some pictures of my favorite collar necklaces tomorrow, and show how i like to wear them.