Deciphering the Origins of Diamonds: How to Unlock Their Past with GIA’s Dr. Shigley”.

Top GIA Fellow Claims Science Cannot Determine Diamond Origin

In a recent LinkedIn Live session hosted by the Gemological Institute of America (GIA), Dr. James Shigley, a distinguished research fellow at the GIA, revealed that identifying a diamond’s origin based solely on its physical characteristics is highly unlikely. According to Dr. Shigley, diamonds lack distinctive visual features that would determine their provenance, and samples of stones often do not provide enough information.

The only possible indication of a diamond’s origin is trace elements, which are difficult to analyze due to their low concentration and do not typically reveal where the stone came from. However, Dr. Shigley also mentioned that identifying the origin of a diamond by matching its polished form to the rough stone of known provenance is possible. The GIA offers Diamond Origin Reports for this purpose, with a success rate of around 90%.

During the session, Dr. Shigley also discussed the possibility of determining the origin of colored gemstones and the impact of lab-grown diamonds on the industry. He answered questions from the audience and provided insights into the complex world of gemology.

To learn more about this topic and access the full recording of the GEMTalks event sponsored by the GIA, visit [insert link]. The GIA established in 1931 aims to protect consumers and support

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