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A notebook, pen, mobile phone with compass app and a digital camera sit on top of a map.
Article
The Stories Behind the Photos: A Gigantic Aquamarine and ‘Gaudy’ Nature

Gemmological photojournalist Robert Weldon shares the stories behind some of his favourite photos.

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Two blue sapphires side by side
Article
G&G Announces Most Valuable Article Awards

G&G announces the winners of the Dr Edward J. Gübelin Most Valuable Article Awards for 2019.

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Man sits at his desk with a display stand of multiple pieces of jewelry in front of him.
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Alum’s Lifelong Quest: Searching for Jewellery Unicorns

Alan Nacht continues his family’s legacy - Bernard Nacht & Co. – and his quest for unforgettable jewellery.

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Article
An Unusual Pearl

An Unusual Pearl: On reviewing the images sent, it was apparent that this was going to be an interesting job.

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Article
An Imitation "Melo Pearl"

An Imitation "Melo Pearl"

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Article
Pearls with Unpleasant Odours

Pearls with Unpleasant Odours

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A diamond ring without the centre stone, which is framed by two rows of small diamonds.
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Jewellery Detectives: Students Search for Clues to Quality Workmanship and Longevity

GIA’s Jewellery Forensics seminar teaches students to become jewellery detectives as they assess jewellery design and engineering for quality.

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Duncan Pay
Trapiche and More...

Colombia’s unique trapiche emeralds exert a fascination for many gemmologists.

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Tucson: A Showcase of Coloured Gemstone Innovation

An overview of the Spring 2016 Gems & Gemology content.

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Garnets, Sapphires, Opals and Tarnish on High-Purity Gold

An overview of the Winter 2015 Gems & Gemology content.

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