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用激光可在钻石上打出微孔,从而消除或掩盖碳黑斑。如果激光的热量不能使碳汽化或去除,可把液体注入激光打出的孔内以消除黑斑,结果是出现与黑斑相比很不引人注目的白斑。激光修补钻石,从经济角度来看是吸引人的。用激光处理只化25到35美元,但却使大钻石价值提高1000美元或更多。出现的麻烦是珠宝商采用了激光技术处理钻石,而不告知顾客。联邦贸易委员会发布了一项规定,建议(不是要求)公开这项技术。
Laser can be used to make holes in the diamond to eliminate or mask carbon black spots. If the heat of the laser does not vaporize or remove carbon, the liquid can be injected into the laser-punched holes to eliminate dark spots, resulting in white spots that are less noticeable than dark spots. Laser repair diamond, from an economic point of view is attractive. Only 25 to 35 US dollars for laser processing, but the big diamond value by 1000 US dollars or more. The trouble is that the jeweler uses laser technology to process the diamond without informing the customer. The Federal Trade Commission issued a rule recommending (not asking for) the disclosure of this technology.