There's no denying it, jewelry can be a tough item to buy online—it's difficult to gauge the quality and weight of the piece from a photo alone. Plus, how do you know which retailers and brands you can trust with your hard earned dollars? While our method isn't completely fool-proof, we've rounded up some of the best (and most unique) pieces online right now—taking into account Instagram popularity, reviews, and some personal shopping experience. Scroll to see our picks!