The J.Fenella 14K Chain Necklace is a premium jewelry piece backed by J.ESTINA's comprehensive one-year gold quality guarantee, which includes complimentary polishing and plating services. The piece requires careful handling and should be stored in a sealed bag away from chemicals, moisture, and hard surfaces to maintain its pristine condition. For optimal longevity, customers should note that while modifications aren't available for regular items, after-sales service is accessible at all J.ESTINA jewelry stores nationwide, excluding CONTE products.Country of Origin: The text mentions that the manufacturing country may vary and needs to be inquired about separately, but does not specify a specific country of origin.