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Divers of Sewa 150
Artisanal Diamond Divers in the Spotlight
Fifty-year old John is a diamond diver in Sierra Leone, one of a few hundred or thousand such divers out of some
News Oct 07, 2020 Sonia Esther Soltani
La Peregrina pearl
SSEF Launches Service Identifying Pearl Species
The Swiss Gemmological Institute (SSEF) has introduced a service that determines a pearl’s species using DNA fingerprinting.The
News Jun 03, 2020 Rapaport News
SSEF Gem Track
Lab Debuts Rough-to-Polished Gem Tracker
The Swiss Gemmological Institute (SSEF) has launched a service for linking polished gemstones to their original rough,
News Feb 26, 2019 Rapaport News
Brendan laurs
Gem-A Names Laurs as Editor-In-Chief
Press Release: The Gemmological Association of Great Britain (Gem-A) appointed editor, geologist and gemologist Brendan Laurs
Press Release Sep 10, 2013 Gem-A
'Keshi' Cultured Pearls Enter the Natural Trade
Press Release: The Swiss Gemmological Insititute SSEF has received large quantities of saltwater pearls for certification in recent weeks. SSEF's director, Dr.
Press Release May 17, 2010 SSEF
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