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Spiral structure in a Colombian emerald

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Insight

26.05.2025

Throwback to GemGenève 2025

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Insight

10.05.2025

GGTL Laboratories Switzerland at GemGenève: Thank You for Stopping By!

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Insight

01.05.2025

DFI V3: the tool for identifying synthetic diamonds – on display at GemGenève

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Insight

01.05.2025

Discover the new D-Tect V2 at GemGenève – Booth L11

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Insight

31.03.2025

The GEMMES journal celebrates its fifth edition

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Insight

10.03.2025

Jardin d’Hiver 2025 at GGTL Laboratories Switzerland

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Insight

06.01.2025

Féodor Blumentritt Speaks on Gem Treatments at the XXI Rendez-Vous Gemmologiques de Paris

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Insight

06.12.2024

Gem books you absolutely need to read!

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Insight

22.09.2024

Gemology workshop at Haute Ecole Arc - HES-SO: A look back at an enriching event

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Insight

21.09.2024

GGTL Laboratories: Official Sponsor of GEMMES Magazine – Announcement of the 4th Issue

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Insight

10.05.2024

GGTL Laboratories Switzerland visiting presence at GemGenève

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Insight

26.04.2024

40th Anniversary of the first DUG Diploma

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