16 CFR Part 23 — Guides for the Jewelry, Precious Metals, and Pewter Industries
- § 23.0— Scope and application.
- § 23.1— Deception (general).
- § 23.2— Misuse of the terms “handmade,” “hand-polished,” etc.
- § 23.3— Misrepresentation as to gold content.
- § 23.4— Misuse of the word “vermeil.”
- § 23.5— Misrepresentation as to silver content.
- § 23.6— Misuse of the words “platinum,” “iridium,” “palladium,” “ruthenium,” “rhodium,” and “osmium.”
- § 23.7— Disclosure of surface-layer application of rhodium.
- § 23.8— Misrepresentation as to products containing more than one precious metal.
- § 23.9— Misrepresentation as to content of pewter.
- § 23.10— Additional guidance for the use of quality marks.
- § 23.11— Misuse of “corrosion proof,” “noncorrosive,” “corrosion resistant,” “rust proof,” “rust resistant,” etc.
- § 23.12— Definition and misuse of the word “diamond.”
- § 23.13— Misuse of the words “flawless,” “perfect,” etc.
- § 23.14— Disclosure of treatments to diamonds.
- § 23.15— Misuse of the term “blue white.”
- § 23.16— Misuse of the term “properly cut,” etc.
- § 23.17— Misuse of the words “brilliant” and “full cut.”
- § 23.18— Misrepresentation of weight and “total weight.”
- § 23.19— Definitions of various pearls.
- § 23.20— Misuse of the word “pearl.”
- § 23.21— Misuse of terms such as “cultured pearl,” “seed pearl,” “Oriental pearl,” “natura,” “kultured,” “real,” “synthetic,” and regional designations.
- § 23.22— Misrepresentation as to cultured pearls.
- § 23.23— Disclosure of treatments to pearls and cultured pearls.
- § 23.24— Disclosure of treatments to gemstones.
- § 23.25— Misuse of the words “ruby,” “sapphire,” “emerald,” “topaz,” “stone,” “birthstone,” “gem,” “gemstone,” etc.
- § 23.26— Misrepresentation as to varietal name.
- § 23.27— Misuse of the words “real,” “genuine,” “natural,” “precious,” etc.
- § 23.28— Misuse of the words “flawless,” “perfect,” etc.