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It uses a vacuum filling system to draw oil into surface-reaching fissures of gemstones, most commonly emeralds, improving apparent clarity. The vacuum removes air from the fissures so the oil penetrates fully and evenly.
Emeralds are the classic case, and other stones with surface-reaching fissures that are customarily oiled can also be processed. Oiling is an accepted, disclosable trade treatment for emeralds.
Yes. Clarity enhancement by oiling is standard for emeralds but must be disclosed to buyers under trade rules and lab standards. Treated stones should be described accordingly.
Yes. We ship worldwide from Bangkok, Thailand, and our team can advise on setup and operation.
