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FEDERAL · 16 CFR

Part 23 — Guides for the Jewelry, Precious Metals, and Pewter Industries

29 sections · Title 16: Commercial Practices

§ 23.0Scope and application.
§ 23.1Deception (general).
§ 23.2Misuse of the terms “handmade,” “hand-polished,” etc.
§ 23.3Misrepresentation as to gold content.
§ 23.4Misuse of the word “vermeil.”
§ 23.5Misrepresentation as to silver content.
§ 23.6Misuse of the words “platinum,” “iridium,” “palladium,” “ruthenium,” “rhodium,” and “osmium.”
§ 23.7Disclosure of surface-layer application of rhodium.
§ 23.8Misrepresentation as to products containing more than one precious metal.
§ 23.9Misrepresentation as to content of pewter.
§ 23.10Additional guidance for the use of quality marks.
§ 23.11Misuse of “corrosion proof,” “noncorrosive,” “corrosion resistant,” “rust proof,” “rust resistant,” etc.
§ 23.12Definition and misuse of the word “diamond.”
§ 23.13Misuse of the words “flawless,” “perfect,” etc.
§ 23.14Disclosure of treatments to diamonds.
§ 23.15Misuse of the term “blue white.”
§ 23.16Misuse of the term “properly cut,” etc.
§ 23.17Misuse of the words “brilliant” and “full cut.”
§ 23.18Misrepresentation of weight and “total weight.”
§ 23.19Definitions of various pearls.
§ 23.20Misuse of the word “pearl.”
§ 23.21Misuse of terms such as “cultured pearl,” “seed pearl,” “Oriental pearl,” “natura,” “kultured,” “real,” “synthetic,” and regional designations.
§ 23.22Misrepresentation as to cultured pearls.
§ 23.23Disclosure of treatments to pearls and cultured pearls.
§ 23.24Disclosure of treatments to gemstones.
§ 23.25Misuse of the words “ruby,” “sapphire,” “emerald,” “topaz,” “stone,” “birthstone,” “gem,” “gemstone,” etc.
§ 23.26Misrepresentation as to varietal name.
§ 23.27Misuse of the words “real,” “genuine,” “natural,” “precious,” etc.
§ 23.28Misuse of the words “flawless,” “perfect,” etc.