DiamondNotes

'Whitening’ Process Still Has Some Seeing Red The controversy over Lazare Kaplan International’s mysterious new Pegasus diamond “whitening” process continues. Two prominent jewelry organizations have called upon the company to release more information about the technology, which LKI says improves a diamond’s color, brilliance, and brightness. LKI won’t call the technology a “treatment”; it prefers the more benign word “process.” Yet, CIBJO, the International Jewelry Federation, recently passed a resolution saying the process is a treatment and should be described as one. “Diamonds that have the Pegasus type of color modification should be clearly designated as 'treated’ in verbal and written descriptions, right up the supply chain and in dealings with the consumer,” the resolution says. (See “Disclose All Treatments [Whatever that Means],” p. 86). What
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