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 editor@gem-a.com


Leading the World's First Gemstone Testing Laboratory: Gem-A's Basil Anderson

Leading the World's First Gemstone Testing Laboratory: Gem-A's Basil Anderson

As we build up to the Gem-A Conference 2018 in November, we are celebrating the Gem-A Greats who have been pivotal in our history. This week’s Heritage Series turns to another of Gem-A’s founding fathers, Basil Anderson.

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The Fascinating History of Platinum Jewellery

The Fascinating History of Platinum Jewellery

As a gemstone and jewellery grading and identification expert at Lang Antiques in San Francisco, Starla Turner FGA GG has seen her fair share of exceptional pieces, both historic and contemporary. Here, she delves into the history of platinum and explores how it has influenced jewellers since the 1700s.

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Dr Herbert Smith - Innovator, Inventor, Gem-A President

Dr Herbert Smith - Innovator, Inventor, Gem-A President

Gem-A’s Heritage Series returns to explore the legacy of Dr George Frederick Herbert Smith CBE, Gem-A President 1942-53, whose determination to make gemmology accessible to the jewellery trade still defines Gem-A today.

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Birthstone Guide: Spinel for Those Born in August

Birthstone Guide: Spinel for Those Born in August

August is here and with it our latest birthstone guide. Here, Lily Faber FGA DGA EG, explores August's spinel as we enter high summer.

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Journal Digest: Delve into the Colours of Rainbow Lattice Sunstone

Journal Digest: Delve into the Colours of Rainbow Lattice Sunstone

Guy Lalous ACAM EG returns with his latest Journal Digest, exploring an article on Rainbow Lattice Sunstone from Australia, featured in the Spring 2018 issue of The Journal of Gemmology Volume 36 No. 1. 

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How Gem-A's First President Took Inaccurate Jewellers to Task in the 1890s

How Gem-A's First President Took Inaccurate Jewellers to Task in the 1890s

For the second instalment of our Heritage Series we discover more about Gem-A's very first president, Sir Henry A. Miers F.R.S, an eminent mineralogist and crystallographer who became Gem-A president in 1932.

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Fancy Vivid Pink Diamond Steals the Show in 2018 Argyle Tender

Fancy Vivid Pink Diamond Steals the Show in 2018 Argyle Tender

Fans of beautiful pink diamonds should take notice because Rio Tinto has unveiled the largest vivid pink diamond ever discovered at its Argyle Mine as part of its Argyle Pink Diamonds Tender 2018. Find out more here... 

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Birthstone Guide: Ruby for Those Born in July

Birthstone Guide: Ruby for Those Born in July

For those born in July, your birthstone is the resplendent ruby. Here, Gem-A tutor Lily Faber FGA DGA EG delves into the properties and folklore of this brilliant red gemstone. 

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Diamond Daze: An Afternoon in Antwerp

Diamond Daze: An Afternoon in Antwerp

In an exclusive for Gem-A, Carmen Garcia-Carballido FGA, DGA explores Antwerp's Historic Diamond District

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110 years of Gemmology

110 years of Gemmology

As July 6 2018 marks 110 years of gemmology, today we launch our Heritage Series celebrating how Gem-A has been creating gemmologists since 1908.  

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Vegas: The Garden of Colourful Delight

Vegas: The Garden of Colourful Delight

Reporting on the Las Vegas 2018 shows, Olga González FGA DGA explores some of the colourful trends from Couture, JCK, and AGTA.  

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Fake News? Discovering 'Alternative Facts' in Gemmology

Fake News? Discovering 'Alternative Facts' in Gemmology

Featured in the Spring 2018 issue of Gems&Jewellery, Rui Galopim de Carvalho FGA DGA explores how ‘alternative facts’ have resulted in an informal nomenclature that permeates the world of gemmology. Here, he offers some examples of these long-standing quirks in terminology.

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The 'Cat's Eye' phenomenon: Exploring Chatoyancy

The 'Cat's Eye' phenomenon: Exploring Chatoyancy

From the the Spring 2018 issue of Gems&Jewellery, here Harold Killingback FGA explores chatoyancy in sillimanite cabochons, an optical phenomenon where a band of light, known as a 'cat's eye', appears to hover above the surface of a stone, resulting in a striking lustre and colour.

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Birthstone Guide: Pearls for Those Born in June

Birthstone Guide: Pearls for Those Born in June

Those lucky enough to be born in June can claim pearls as their official birthstone. Here, Gem-A gemmology tutor Lily Faber FGA DGA EG, looks into the history and nature of these treasures from the sea.

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Insights and Reactions to De Beers’ New Lab-Grown Diamond Jewellery Brand

Insights and Reactions to De Beers’ New Lab-Grown Diamond Jewellery Brand

The De Beers Group has formally unveiled Lightbox Jewelry – a new fashion jewellery brand set with laboratory-grown diamond. Here, we find out more about the new business and why it has got industry tongues wagging.

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Resurrecting an Industry: Reviving Pearls in the United Arab Emirates

Resurrecting an Industry: Reviving Pearls in the United Arab Emirates

First published in the Spring 2018 issue of Gems&Jewellery, Christa Van Eerde MA MLitt DGA FGA explores the history of some of the world’s most magnificent pearls sourced in the Gulf region, including Bahrain, Kuwait and the UAE, famously regarded as the historic heart of the pearling world.

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Survivors - The Geology of Diamonds

Survivors - The Geology of Diamonds

From Gems&Jewellery Spring 2018, Gem-A assistant tutor, Beth West FGA DGA, explores the remarkably epic journey of diamonds, and how their characteristic strength is rooted in their archaic origins and resilient survival.

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Journal Digest: Radiocarbon Age Dating on Natural Pearls

Journal Digest: Radiocarbon Age Dating on Natural Pearls

Guy Lalous ACAM EG is on-hand to summarise some of the more in-depth articles from Gem-A's The Journal of Gemmology. Here, he explores an article on radiocarbon age dating of natural pearls from the Winter 2017 issue. 

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Birthstone Guide: Emerald for those born in May

Birthstone Guide: Emerald for those born in May

For those born in May, emerald is their birthstone. Here Gem-A gemmology tutor Lily Faber FGA DGA EG explores the history and qualities of this beautiful beryl.

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Jurassic Jet: A Look to the Past to Preserve the Future

Jurassic Jet: A Look to the Past to Preserve the Future

With 2018 being the Year of European Cultural Heritage, Gem-A is excited to share Sarah Steele's important collaborative project between England and Spain to preserve and maintain traditional jet workings, which has recently been granted the European Heritage Seal.

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