Gemfields has decided to tackle head on a big issue which has been plaguing the gem trade for a long time.  How to guarantee the emerald you bought is ethically sourced?  Through the partnership with Gübelin Gem Lab, they came up with a very creative solution by using Gübelin’s new “Provenance Proof” nanoparticle technology which proves … Continue reading It is now possible to buy ethically sourced Zambian emeralds through partnership of Gemfields and Gübelin Gem Lab using Nano-Particle Technology.