Gübelin Gem Lab Debuts ‘Emerald Paternity Test’ By Ashley Davis
“Basel, Switzerland–When developing a method to make emeralds completely traceable, Gübelin Gem Lab looked to DNA. Introduced at Baselworld 2017, Gübelin’s “Emerald Paternity Test” involves applying DNA-based nanoparticles directly onto rough emerald crystals at mining sites.
Nanotechnology deals with particles less than 100 nanometers large. The particles aren’t visible to the naked eye or even under an optical microscope, so a stone’s properties and grading won’t be affected by the application.Gübelin’s application process is designed to withstand all steps of an emerald’s journey, from cutting to cleaning, polishing, transporting and setting, so that the nanoparticles will act as a permanent origin tag.Just like a human’s DNA is specific to each individual, the tag will be unique to each mine.” To read more of this article from National Jeweler click here.
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The world’s largest emerald mine, the Kagem Mine located in Zambia, was the site of Gübelin Gem Lab’s preliminary Emerald Paternity Test. Kagem Mine is majority-owned by Gemfields.
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