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Russian miner Alrosa is introducing an innovative diamond-tracing technology that uses non-invasive, virtually indestructible nanomarkings to identify diamonds.
The new method has been developed with scientists from the Russian Academy of Sciences as well as Alrosa’s Research Geological Enterprise and the Yakutniproalmaz Institute.
Unlike traditional laser engraving, Alrosa’s laser mark, which can be used on rough and polished diamonds, cannot be destroyed or polished off. It easily distinguishes Alrosa’s diamonds from others, including lab-grown stones. It also provides detailed information about the diamonds’ origins.
Citing results of consumer surveys in the key diamond markets of the US and China, the company said diamond...
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