KhyatiGems knowledge library

Gemstone treatment disclosure

Ask what treatment was performed on the individual gemstone, what evidence supports that description, and whether it changes the care required.

AI-assisted source review · 2026-10-16. No named gemologist review is claimed. How this reference was reviewed.

Appearance and care

Treatments can change colour or apparent clarity, and some introduce different care requirements. Treatment terms describe processes rather than an overall quality grade. The presence of a treatment does not, by itself, describe the amount of treatment or the suitability of an individual stone for a particular use.

Ask for a precise description. A broad phrase such as enhanced leaves several questions unanswered. Request the treatment name, any known precautions, and the basis for the statement. Distinguish a seller declaration from a laboratory finding; they are different forms of evidence.

What to record

Keep the treatment description alongside the material name, measurements and report number. If a report includes comments or qualifications, read them together with the main identification. Do not transfer a conclusion from one item to a similar-looking stone.

Before cleaning, repairing or resetting the gemstone, pass the information to the professional doing the work. Explain uncertainty instead of guessing. An examination may be appropriate when the treatment record is missing.

Your purchase preference can include treatment limitations, but communicate those requirements explicitly. Ask the seller to confirm them for the individual item and review the relevant channel’s purchase terms before paying. This article does not determine treatment status or promise a result for a photographed specimen.

Sources and further reading

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