(b) It is unfair or deceptive to use the word “ruby,” “sapphire,” “emerald,” “topaz,” or the name of any other precious or semi-precious stone, or the word “stone,” “birthstone,” “gem,” “gemstone,” or similar term to describe a laboratory-grown, laboratory-created, -created, synthetic, imitation, or simulated stone, unless such word or name is immediately preceded with equal conspicuousness by the word “laboratory-grown,” “laboratory-created,” “-created,” or some other word or phrase of like meaning, or by the word “imitation” or “simulated,” so as to disclose clearly the nature of the product and the fact it is not a mined gemstone. (a) It is unfair or deceptive to use the unqualified words “ruby,” “sapphire,” “emerald,” “topaz,” or the name of any other precious or semi-precious stone to describe any product that is not in fact a mined stone of the type described. § 23.25 Misuse of the words “ruby,” “sapphire,” “emerald,” “topaz,” “stone,” “birthstone,” “gem,” “gemstone,” etc.

Ruby and sapphire stone