N.Y. General Business Law Section 229-J
Sale of artificially colored diamonds

Any person, firm, corporation or association, and any agent or employee thereof, who or which shall knowingly sell or offer for sale any diamond which shall have been artificially colored or tinted by coating, irradiating, heating, nuclear bombardment or by any other means, without disclosing in writing to the purchaser, or prospective purchaser, that such diamond has been artificially colored or tinted, or without disclosing in writing that the artificial coloring or tinting of such diamond is not permanent, if that be the fact, shall be guilty of a misdemeanor.

Source: Section 229-J — Sale of artificially colored diamonds, https://www.­nysenate.­gov/legislation/laws/GBS/229-J (updated Sep. 22, 2014; accessed Jan. 10, 2026).

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Verified:
Jan. 10, 2026

Last modified:
Sep. 22, 2014

§ 229-J. Sale of artificially colored diamonds's source at nysenate​.gov

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