Proof of Provenance Technology

DNA nanotags are applied to Gemfelds' high‑grade rough emeralds at the mine.

Gemfields announced the launch of a new type of traceability technology creating independent proof of provenance for Emeralds.

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1. 100 nanometres

These nanotags are 0.0001 millimeters in diameter and invisible to optical microscopes, they do

not change the gemstone's appearance.

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2. Remains unaltered through the life of a gem

DNA nanotags remain unaltered throughout the life of a gem, including during cutting, cleaning, or polishing.

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3. Can be decoded by Provenance Proof

The DNA nanotags can be decoded by Provenance Proof at any stage in the gemstone's life to determine its place of origin.

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4. In collaboration with Gübelin Gem Lab

Together with the Gübelin Gem Lab, Gemfields announced the launch of a new type of traceability technology creating independent proof of provenance for emeralds.

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