Though I don't own any of this jewelry yet, I LOVE this brand.
Dannijo are sisters from Jacksonville, FL (represent!) that combines Danielle's bohemian, rocker vibe with Jodie's timeless sophistication.
All in all, a dynamic duo.
Here are some of my favorite pieces of theirs:

They have a website which you should totally check out.
They also sell their goods at high-end stores and botiques.