Basel: The Swiss Gemmological Institute SSEF has become the first gem laboratory worldwide to introduce, as an additional service to clients, age dating of pearls
Basel: The Swiss Gemmological Institute SSEF has become the first gem laboratory worldwide to introduce into its facility the ground-breaking GemTOF instrument, which conducts chemical
Basel: The Swiss Gemmological Institute SSEF has announced the release for international export of an upgraded version of its Automated Spectral Diamond Inspection (ASDI) device.
Bern: The Swiss-based Gübelin Gem Lab and Swiss Gemmological Institute SSEF, recognized as the leading laboratories for coloured stone testing, have agreed to harmonize their
London: A rare British-owned gemstone steeped in history and intrigue sold for a record price of $30,000 per carat yesterday at Bonhams Fine Jewelry sale
Basel: The Swiss Gemmological Institute (SSEF), one of the world’s most respected gem research, education and grading institutions, has inaugurated a state-of-the-art laboratory in Basel,
London: The Gemmological Association of Great Britain (Gem-A) has released the latest issue of its academic publication, The Journal of Gemmology, in collaboration with the
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