Title 16, Part 23 — Guides for the Jewelry, Precious Metals, and Pewter Industries

Scope and application.

Deception (general).

Misuse of the terms “handmade,” “hand-polished,” etc.

Misrepresentation as to gold content.

Misuse of the word “vermeil.”

Misrepresentation as to silver content.

Misuse of the words “platinum,” “iridium,” “palladium,” “ruthenium,” “rhodium,” and “osmium.”

Disclosure of surface-layer application of rhodium.

Misrepresentation as to products containing more than one precious metal.

Misrepresentation as to content of pewter.

Additional guidance for the use of quality marks.

Misuse of “corrosion proof,” “noncorrosive,” “corrosion resistant,” “rust proof,” “rust resistant,” etc.

Definition and misuse of the word “diamond.”

Misuse of the words “flawless,” “perfect,” etc.

Disclosure of treatments to diamonds.

Misuse of the term “blue white.”

Misuse of the term “properly cut,” etc.

Misuse of the words “brilliant” and “full cut.”

Misrepresentation of weight and “total weight.”

Definitions of various pearls.

Misuse of the word “pearl.”

Misuse of terms such as “cultured pearl,” “seed pearl,” “Oriental pearl,” “natura,” “kultured,” “real,” “synthetic,” and regional designations.

Misrepresentation as to cultured pearls.

Disclosure of treatments to pearls and cultured pearls.

Disclosure of treatments to gemstones.

Misuse of the words “ruby,” “sapphire,” “emerald,” “topaz,” “stone,” “birthstone,” “gem,” “gemstone,” etc.

Misrepresentation as to varietal name.

Misuse of the words “real,” “genuine,” “natural,” “precious,” etc.

Misuse of the words “flawless,” “perfect,” etc.