GIA Recalls 424 Grading Reports In Undisclosed Treated Diamond Case

21/05/2015 21:59

Rapaport reports GIA is recalling 424 diamond grading reports in the case of some 500 diamonds of which GIA suspects that they were treated with a process that temporarily improved their color by up to three grades. A full list of the recalled grading reports, the companies submitting the diamonds, the shape, size, color and clarity of the diamond can be downloaded here.