How Should Treatment Information Be Accurately Disclosed When Selling Dyed Pearls?

How Should Treatment Information Be Accurately Disclosed When Selling Dyed Pearls?

If you know that a pearl's color was produced by dyeing, the clearest sales practice is to say so before the buyer commits to the purchase. Identify the pearl correctly, describe the treatment plainly with a word such as dyed, do not present the treated color as natural, and carry the same information through product listings, invoices, memos, and other sales documents. If the treatment has known durability or special-care implications, those should also be communicated.

The Short Answer: Say What the Pearl Is and What Was Done to It

A useful disclosure can usually be built from four pieces of information:

1. Pearl identity: for example, freshwater cultured pearl or Akoya cultured pearl.
2. Treatment: dyed.
3. Resulting color: for example, purple, black, blue, or another applicable description.
4. Relevant care or stability information: when the seller has reliable information showing that special precautions or limitations apply.

For example, a straightforward description would be:

7–8 mm purple dyed freshwater cultured pearl strand.

This tells the buyer substantially more than simply calling the product a "purple pearl strand." It separates the pearl's identity from the origin of its color and reduces the possibility that the buyer will assume the color developed naturally during pearl formation.

Why the Word "Dyed" Matters

Dyeing is a color treatment applied after a pearl has formed. It changes the appearance of the pearl but does not, by itself, turn a cultured pearl into an imitation pearl. A dyed freshwater cultured pearl remains a freshwater cultured pearl; the important difference is that its displayed color has been artificially altered.

This distinction is covered in more detail in our guide to pearl color enhancement treatments, which explains dyeing alongside other methods used to modify pearl color.

For sellers, the problem is usually not the existence of the treatment. The problem arises when the wording allows the customer to form the wrong impression about what created the color.

Descriptions such as the following therefore deserve caution when the pearls are known to be dyed:

• "Natural purple freshwater pearls"
• "Naturally black freshwater pearls"
• "Rare natural-color blue freshwater pearls"
• "Untreated color" when treatment is known to have occurred

These descriptions do more than omit a technical detail: they can actively suggest that the color originated naturally.

Use the Specific Treatment Name When You Know It

If the known treatment is dyeing, dyed is usually more informative than a vague phrase such as "enhanced" or "color enhanced."

According to CIBJO's Pearl Book, dyeing is among the treatments for cultured pearls that require specific treatment information under its international trade standard. CIBJO's disclosure framework calls for the treatment wording to appear immediately before or after the cultured-pearl or color description and, in written presentations, with equal emphasis rather than being hidden in less prominent wording.

That leads to descriptions such as:

• Dyed freshwater cultured pearls
• Purple (dyed) freshwater cultured pearls
• Black dyed freshwater cultured pearl earrings

By contrast, wording such as "color enhanced" may tell the buyer that something was done, but it does not tell them what was done. When dyeing is known, naming the treatment directly is the clearer approach.

Do Not Forget the Word "Cultured"

Treatment disclosure and pearl identity are two separate issues. Saying that a pearl is dyed does not replace the need to describe correctly whether it is a cultured pearl, natural pearl, or imitation product.

This is particularly important in the United States. FTC guidance explains that cultured pearls should be identified as cultured rather than described simply with the unqualified word "pearl." The FTC also notes that merely identifying a variety such as freshwater, South Sea, or Akoya does not by itself replace the cultured-pearl identification.

Therefore:

There is another terminology trap here: natural pearl and natural color do not mean the same thing. "Natural pearl" describes a pearl formed without human intervention in its formation, whereas "natural color" is commonly used to distinguish untreated color from color produced by enhancement. Sellers should not use "natural pearl" merely as another way of saying that a cultured pearl is genuine rather than imitation.

Where Should the Treatment Disclosure Appear?

The information should appear where the buyer actually evaluates the product, not somewhere they are unlikely to see until after paying.

On an E-Commerce Product Page

Put the information in the product title, specification table, or main product description before checkout. A disclosure buried only in a general FAQ, terms page, or package insert is much less useful because the buyer may have already made the purchasing decision.

A practical listing could look like this:

Product: 8–9 mm Black Dyed Freshwater Cultured Pearl Strand
Pearl type: Freshwater cultured pearl
Color: Black
Color treatment: Dyed

CIBJO specifically addresses situations in which buyers cannot personally inspect treated cultured pearls, including online sales. Its standard calls for the treatment to be explained in the product presentation or description before the sale is completed.

In a Store, Livestream, or Direct Sale

When selling through a store, video call, livestream, messaging app, or other assisted-sales channel, treatment information should not depend on whether the customer happens to ask the right question.

A simple explanation is enough:

"These are freshwater cultured pearls. The black color is dyed rather than naturally occurring."

The goal is clarity rather than a long technical explanation.

On an Invoice, Memo, or B2B Order

Treatment information is especially important in wholesale transactions because the next buyer may become the next seller. If treatment information disappears somewhere in the supply chain, a retailer farther downstream may unknowingly describe the product inaccurately.

A useful commercial-document description could be:

Freshwater cultured pearl strand, dyed purple, 7–8 mm, 20 strands.

Keeping the treatment on purchase orders, invoices, product feeds, and stock records gives downstream sellers a much better chance of maintaining the correct description.

CIBJO and FTC Guidance Are Not Exactly the Same

This distinction is important because treatment disclosure is sometimes oversimplified online.

CIBJO Trade Standard

CIBJO's Pearl Book treats dyeing as a treatment requiring specific declaration for cultured pearls. Its standards recommend transparency throughout the jewelry distribution chain and provide detailed rules about where and how treatment terminology should appear.

CIBJO also states that its Blue Book standards are voluntary international industry standards. They are not a substitute for national legislation, which may differ from one market to another.

United States FTC Jewelry Guides

The U.S. FTC Jewelry Guides take a somewhat different approach. Section 23.23 addresses pearl-treatment disclosure when a treatment:

• is not permanent;
• creates special care requirements; or
• has a significant effect on the product's value.

The FTC's 2018 review is particularly important for dyed pearls. During that review, industry commenters requested a specific rule advising sellers always to disclose pearl dyeing. The FTC declined to add that blanket provision because the record did not establish that failure to disclose dyeing would always be deceptive under the three treatment-disclosure conditions.

That does not mean sellers are free to misrepresent dyed color as natural. FTC guidance separately addresses misleading claims about a cultured pearl's properties, characteristics, quality, color, treatment, and other material information.

For an international seller, the practical lesson is simple: do not confuse the minimum wording of one jurisdiction's legal guidance with the broader transparency practices used by the international jewelry trade.

What If You Are Not Certain Whether the Pearls Were Dyed?

This situation is common in real supply chains. A seller may inherit stock, purchase goods from a trader using vague terms such as "optimized color," or receive pearls without adequate treatment documentation.

The wrong response is to guess.

If the treatment method matters to the sale:

1. Ask the supplier for the original treatment information.
2. Check purchase documents, product specifications, or laboratory reports if available.
3. Do not convert uncertainty into a claim such as "natural color."
4. If there is credible reason to suspect treatment but it cannot be confirmed, describe the uncertainty rather than presenting the pearl as definitively untreated.

CIBJO specifically notes that when treatment is suspected but documentation or practical testing cannot confirm it, informing the buyer of the suspected treatment is prudent.

This is also why treatment information should ideally enter the records early in the pearl processing and supply workflow instead of being reconstructed later from appearance alone.

Do Dyed Pearls Need Special Care?

Do not assume that every dye process has exactly the same stability or care requirements. Treatment recipes, colorants, processing conditions, and subsequent use can differ.

If you have reliable information that a particular treatment may fade, react to chemicals, or requires special care, pass that information to the buyer. The FTC specifically identifies non-permanent treatments and treatments creating special-care requirements as situations in which disclosure becomes important under its Jewelry Guides.

At the same time, sellers should not invent warnings merely because a pearl is dyed. Use the treatment information supplied by a reliable source and combine it with normal pearl care guidance.

A Simple Five-Part Disclosure Rule for Sellers

For day-to-day selling, a useful framework is:

Identity → Treatment → Color → Care → Record

1. Identity: Describe the material correctly, such as freshwater cultured pearl.
2. Treatment: Name dyeing when dyeing is known.
3. Color: Describe the resulting color without implying that it is naturally occurring.
4. Care: Pass on any known stability or special-care information that matters.
5. Record: Keep the same treatment description in product data, invoices, memos, and other downstream records.

This approach is more useful than simply adding the word "treated" somewhere in fine print. It tells the next person in the transaction what they actually need to know.

What Sellers Should Remember

Accurate disclosure is not about making dyed pearls sound undesirable. Dyeing is simply information about how the product obtained its appearance. The seller's job is to separate pearl identity from treatment and describe both clearly.

If dyeing is known, use the word dyed. Keep it visible rather than burying it. Do not describe the treated color as natural. Carry the information through online listings and commercial records, and disclose relevant durability or care limitations when they are known.

That gives buyers something more valuable than technical terminology alone: a clear understanding of what they are actually purchasing.

References

• CIBJO Pearl Book 2024, sections concerning altered cultured pearls and treatment disclosure.
• U.S. Federal Trade Commission, Jewelry Guides, 16 CFR § 23.23, Disclosure of Treatments to Pearls and Cultured Pearls.
• U.S. Federal Trade Commission, 2018 Statement of Basis and Purpose for the Revised Jewelry Guides.
• Gemological Institute of America (GIA), consumer guidance concerning natural and treated pearl colors.