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Rough diamond credit Shutterstock
Gübelin Testing Nano-Tracking for Diamonds
Gübelin Gem Lab is studying how it can place microscopiclabels on diamonds to track them through the supply chain. The Swiss institute launched its Emerald Paternity Test in2017, applying invisible nanoparticles to rough stones to enable...
Technology Feb 13, 2019 Joshua Freedman
Gemfields
Nirav Modi Crisis Hits Gemfields
Proceeds slumped at Gemfields’ May auction ofhigher-quality rough emeralds as the Nirav Modi fraud case hurt Indian demand,the miner reported last week. Most of the company’s emerald clients are based in India,where the gemstone...
Gemstones May 27, 2018 Rapaport News
GemGeneve
GemGenève Show Wins Industry Hearts and Minds
Within 48hours of its Thursday opening, exhibitors were already hailing the GemGenève tradefair as a success.Words like “jolly,” “friendly” and “good vibe” peppered descriptions of the Geneva-based show, which welcomed 147 exhibitors spanning the...
Polished Markets May 13, 2018 Sonia Esther Soltani
Gübelin Gemstone blockchain provenance 150
Gübelin to Build Gemstone Blockchain
Gübelin Gem Lab has partnered with developer Everledger to establish a blockchain digital ledger for colored gemstones. The Provenance Proof Blockchain tracks gemstones throughout theirlifespan until they reach the end consumer, the...
Gemstones Jan 09, 2018 Rapaport News
Gübelin Gem Lab
Gübelin Lab Makes U.S. Presence Official
Gübelin Gem Lab has launched a permanent location in New York aspart of a global expansion program that has seen the Swiss laboratory build apresence in three continents.Gübelin opened the lab at the startof this year...
Gemstones Jan 22, 2017 Rapaport News
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