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Does AGS Laboratories disclose if a diamond has been treated?

April 26, 2017AGS diamond disclose laboratories treated

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Does AGS Laboratories disclose if a diamond has been treated?

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AGS Laboratories screens every diamond for potential treatments such as High Pressure High Temperature (HPHT), fracture filling, and laser drilling. AGS Laboratories will grade a HPHT treated diamond if the fact of its treatment is disclosed upon receipt. AGS Laboratories does not grade fracture filled diamonds. However, AGS Laboratories does grade diamonds that have been laser drilled. All treatments are disclosed in the ‘Comments’ section of an AGS Laboratories diamond grading report.