This necklace is gorgeous! Wearing the Evil Eye is believed to protect you from misfortune and bring good luck, keeping you safe from negativity that may affect your well-being. This 18k gold filled necklace features AAAAA colorless Cubic Zirconia stones and a top-grade simulated Sapphire, while being hypoallergenic, nickel-free, waterproof, sweat-proof, and tarnish resistant. Chain length is 16' with a 20mm x 14mm pendant. This necklace is gorgeous!