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Spiral structure in a Colombian emerald

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Insight

29.08.2025

Lab-grown or synthetic diamonds: what does the law say?

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Insight

11.08.2025

Gemstones and Human Adventure: A Journey Through Madagascar’s Mines

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Insight

23.07.2025

Dioptase: a deceptive green with emerald-like reflections

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Insight

27.06.2025

Sainte-Marie-aux-Mines 2025: 60 Years of Passion for Minerals and Gems

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Insight

23.06.2025

A Visit to Cartier at the V&A: When Gemmologists Go to the Museum

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Insight

17.06.2025

Restoring the beauty of emeralds: our exclusive cleaning and oiling method

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Insight

07.06.2025

GGTL Laboratories at EPHJ 2025: networking and innovation

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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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