Heart Chain lariat necklace. What is a lariat necklace, you ask? Well, we define it as a necklace that loops around your neck without a clasp. As boho style is high right now, all kinds of boho elements in your looks will be trendy, and jewelry and accessories especially. Lariat necklaces are among such accessories, they will accent your plunging or any other neckline and make your look more relaxed.