It's the J.Crew Martha necklace, made with Swarovski crystals and it.is.amazing. And it's $165. Womp, womp.
This is one of those things that I've been wanting so badly. For, like, ever. And it's 25% off right now. But I still can't do it. Can I? Should I?
Here it is in action (top necklace).
Photo credits: J.Crew (top) and Momsafashiondork Blog (bottom)