The Federal Trade Commission ("FTC" or "Commission") adopts revised Guides for the Jewelry, Precious Metals, and Pewter Industries ("Jewelry Guides" or "Guides"). This document summarizes the Commission's revisions to the previous Guides and includes the final Guides as revised. Readers can find the Commission's complete analysis in the Statement of Basis and Purpose ("SBP") on the FTC's website at https://www.ftc.gov/public-statements/2018/07/statement- basis-purpose-final-revisions-jewelry-guides.