This Black PVD Captive Bead Ring with Amethyst Stone is ideal for those who seek a timeless, elegant look. Crafted from durable 316L stainless steel, this sold-individually piece features a sleek Black PVD finish, a timeless Amethyst stone ball, and a secure Captive bead. Available in three sizes, including 5/16" (8mm), 3/8" (10mm), and 1/2"  (12mm).