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Article
GIA's Gübelin Gem Project: Various Gems, Danburite – Humite

Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

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Diamond
Article
Diamond Description

Diamond is the only gem made of a single element: It is typically about 99.95 per cent carbon. The other 0.05 per cent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry. Some trace elements can influence its colour or crystal shape.

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Article
Diamond Journey

Diamonds are among nature’s most precious and beautiful creations

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Patrick O’Shea stands in front of a staircase at the Javits Center in New York City.
Article
The Curious Life of Patrick O’Shea: From Ballistics Detective to Gemmologist and Jewellery Designer

Patrick O’Shea’s life’s journey led him down many career paths until they all came together as a designer who specialises in masonic jewellery.

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CVD, HPHT and Natural Diamonds
Article
Is There a Difference Between Natural and Laboratory-Grown Diamonds?

Learn about the differences – and similarities – between natural and laboratory-grown diamonds, and how GIA’s researchers and grading laboratories can tell the difference

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Article
Diamond Fun Facts

Learn more about one of the Earth’s most fascinating creations, including some that became the most famous.

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Grandics, wearing black-framed glasses, is behind a bouquet of point-shaped molds.
Article
Emerging Designer Wins Grant to Create Ethical Brand

Designer’s frequent world travels laid the foundations for creative experimentation, design inspiration and social responsibility.

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A view of downtown Hong Kong – with a freeway traveling through it.
Article
U.S. Retailers Continue to Cite ‘Challenging’ Environment; Synthetic Melee Detected

Economists are recognising that the decline in middle-class purchasing power is directly affecting some consumer products – including jewellery.

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A scattering of rough diamonds
Article
De Beers Optimistic as Sales Revive; Luxury Houses Remain Cautious

De Beers holds largest cycle (sight) in more than two years. Luxury sales have begun to rise again after a negative year.

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Article
Landmark Articles from
Gems & gemmology

For eight decades, Gems & Gemology, GIA’s peer-reviewed quarterly journal, has educated generations of readers and protected the gem-buying public. We share ten landmark articles that were particularly significant to gem and jewellery professionals.

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