In a new video posted to the popular site, ASA appraisers tout the importance of hiring a qualified expert.
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Graders at HRD Antwerp found this one, a HPHT-treated natural diamond inscribed with the report number of an untreated stone.
The lab said “most” of the diamonds paired with reports stating they were natural and untreated are actually lab-grown or treated diamonds.
The Institute’s “Jewelers on a Mission” campaign is working to unite the industry.
The move comes after a year-long pilot program.
Buyers may be excited about online diamond deals, but there are uncertainties surrounding the authenticity and clarity of the diamonds.