Occasionally, we encounter synthetic stones at SSEF that are submitted to us by our clients. Usually they are quite surprised by our result, as the issue of synthetic stones – at least in the coloured stone market – has very much vanished in peoples’ minds, and is often not anymore considered a real threa

A Preliminary SIMS Study Using Carbon Isotopes to Separate Natural from Synthetic Diamonds. Published in Journal of Gemmology, 2018, 36, 1, 38-43. Author(s) : H.A.O. Wang, L.E. Cartier, L.P. Baumgartner, A.-S. Bouvier, F. Begué, J.-P. Chalain, M.S. Krzemnicki    

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