Provenance Proof
The Provenance Proof Initiative
To enable rising transparency in the global gemstone market, the Gübelin Gem Lab has successfully launched its Provenance Proof initiative. Discover the physical and digital trackers that are transforming the industry by introducing more traceability to the entire gemstone supply chain.
Provenance Proof is an independent subsidiary of the Gübelin Gem Lab. To this day, the company has developed the emerald paternity test and the Provenance Proof blockchain that serves as a digital, tamper-proof logbook for the coloured gemstone trade.
