Product Details. 1mm Cordette chain. Charm: 5mm hand-carved Mother of Pearl Evil Eye charm with Turquoise and Black Spinel inlay. Base Metal: Stainless Steel. Coating: 14K Gold PVD Stainless Steel. Size: Adjustable 16-18 inches. The evil eye has its roots in ancient Mediterranean and Middle Eastern cultures, where it’s believed to protect against envy and bad vibes.