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Question:

JEWELERS! Do dyed gemstones ever lose their colour...?


ie: red tiger's eye, onyx


Best Answer - Chosen by Asker: It depends how they've been treated, but yes, they can loose their color, especially if they are cheap.
Sometimes people are able to pass off treated glass as gem stones, so be sure to buy from a reputable dealer.
Lab grown gems are a bit different though. They are made up of the same composition as regular gems, but grown under a controlled environment, so the color will last. yes ,they do