Welcome to the Gem-A Blog. Here, you will find up-to-date information on the latest news and trends, exclusive features and regular reports from a host of gemmology insiders. Each month we will share highlights from our printed publications and take you behind-the-scenes at our popular Gem Central events. Would you like to submit an article for the Blog? Email us on This email address is being protected from spambots. You need JavaScript enabled to view it.

Synthetic Emeralds Grown by W. Zerfass: Historical Account, Growth Technology and Properties

Synthetic Emeralds Grown by W. Zerfass: Historical Account, Growth Technology and Properties

Guy Lalous ACAM EG investigates the hisotrical account of synthetic emeralds grown by W. Zerfass. Summarising a technical article from The Journal of Gemmology, focus is centred upon the growth technology and geological properities of one of the worlds most beautiful gemstones.

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A Man of the Ocean: Diving for Organics with Eric Fritz

A Man of the Ocean: Diving for Organics with Eric Fritz

In a recent trip to our London headquarters, Eric Fritz FDGA DGA, Gem-A's North America Manager, stopped by for an industry insider Q&A, offering theoretical and practical guidance on organic materials. Sarah Salmon finds out more...

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Gem Empathy Is Back with a New Gemstone for IJL 2017

Gem Empathy Is Back with a New Gemstone for IJL 2017

Every year at International Jewellery London (IJL), Gem-A gives exhibitors in the Design Gallery the chance to win a beautiful, fancy-cut gemstone by John Dyer to use in a very special piece. Don't miss your chance to enter!

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The Bewitching Finds of JCK Vegas

The Bewitching Finds of JCK Vegas

Certified gemmologist and founder of Pietra PR, Olga Gonzalez FGA DGA highlights the expansive new season trends that are set to shape and unite the future of the fine jewellery market.

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75 Years of Swiss Gemmological Expertise: Alan Hart at The European Gemmological Symposium 2017

75 Years of Swiss Gemmological Expertise: Alan Hart at The European Gemmological Symposium 2017

Gem-A CEO, Alan Hart, attended the European Gemmological Symposium last week in Zermatt, Switzerland where he presented an exclusive talk highlighting the case of the Koh-i-Noor.

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Birthstone Guide: Ruby for Those Born in July

Birthstone Guide: Ruby for Those Born in July

Ruby the red variety of corundum occurs as bright-red, red, purplish- or brownish-red, and deep pinkish-red hues, coloured by chromium. It is the birthstone for those born in July.

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