Beautiful Tiger Eye Heart Belly Ring. Semi Precious Natural Tiger Eye stone heart hangs from a 14 Gauge, 8 mm curved bar with a Cz right above the stone charm. Bar is made of 316 L stainless steel...and Tiger Eye heart pendant is 16 mm.  Because these pendants are made of natural stone, they are all similar but no two stones are the same. Nature showing us its beauty in this belly ring!