Tue. Jun 25th, 2024
Top GIA Fellow Claims Science Cannot Determine Diamond Origin

Dr. James Shigley, a distinguished research fellow at the Gemological Institute of America (GIA), stated that it is highly unlikely to identify a diamond’s origin based on its physical characteristics. He explained that diamonds lack distinctive visual features that would determine their provenance, and the samples of stones often do not provide enough information.

During the GEMTalks LinkedIn Live session, Dr. Shigley also discussed the possibility of determining the origin of colored gemstones, which is considered a more achievable goal. He emphasized that identifying the origin of a diamond by matching its polished form to the rough stone of known provenance is possible, with a success rate of around 90%.

According to Dr. Shigley, studies conducted to determine a diamond’s origin have been limited in size and range of locations, making it challenging to confirm the source of a stone now or in the future. 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.

The chemical composition of diamonds reflects geological processes in the mantle and is not related to their current location on the earth’s surface. This means that studying a diamond alone cannot provide enough information about its origin or history. However, with additional research and analysis techniques, it may be possible to gather more data about diamonds’ origins in the future.

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By Aiden Nguyen

As a content writer at newscholarly.com, I delve into the realms of storytelling with the power of words. With a knack for research and a passion for crafting compelling narratives, I strive to bring forth engaging and informative articles for our readers. From decoding complex concepts to unraveling current events, I aim to captivate and educate through the art of writing. Join me on this journey as we explore the ever-evolving landscape of news and knowledge together.

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