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IN THIS ISSUE:
- GEM NEWS – Your jade or your life
- GEM NEWS – The shadow of Trump on the Kimberley Process
- GEM NEWS – Carat Tax. Simplified Taxes for Antwerp diamonds
- GEM NEWS – Guinness Book of Records Syndrome. Behind the 706-carat super diamond found by the priest, the tragedy of Sierra Leone stands out
- GEM NEWS – DPA and SIGNET, strategies for diamonds: from attack to defense, from promotion to synthetic diamond testing
- GEM NEWS – An army of miners for the Malagasy sapphires. Rare species at risk?
- GEM NEWS – Taking the Tanzanite back: so far the auctions of the Dar Es-Salam government have failed
- GEM NEWS – Demonetisation in India and its impact on jewellery and stones
- The strange revival of diffused sapphires. But this time they are synthetic (Paolo Minieri and Alberto Scarani)
- Ethical stones – Now that Gübelin can give emeralds a name… how can they also be assigned an ethical surname? (Paolo Minieri)
- An overview of the properties and detection methods of syntetic diamonds currently in the market (Thomas Hainschwang)
- Laboratory analysis of an extraordinary artefact: a sapphire tiara found during the excavations in Colonna (Rome) (Flavio Butini and Enrico Butini)
