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


How to Identify Antique Edwardian Jewellery

How to Identify Antique Edwardian Jewellery

Understanding how to identify jewellery from different eras and design movements is essential for historians, valuers and antique collectors. Here, Starla Turner FGA GG offers us a glimpse into the refined and elegant world of Edwardian jewellery and describes the motifs that make pieces recognisable. 

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Understanding Sugilite

Understanding Sugilite

The Gem-A Gemstone & Mineral Collection contains this vivid purple sugilite specimen. Here, assistant gemmology tutor, Dr Juliette Hibou FGA, explains more about this unusual mineral that was only discovered in 1944.

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Buying Guide: Coloured Diamonds from Least to Most Valuable

Buying Guide: Coloured Diamonds from Least to Most Valuable

The typical image of a diamond tends to be of a clear and colourless stone, therefore it is hardly surprising these are presumed to have the highest monetary value. In reality, diamonds can be discovered in a rainbow of colours, some of which command exceptional prices. Discover more here.

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Birthstone Guide: Emerald for Those Born in May

Birthstone Guide: Emerald for Those Born in May

Those born in May are lucky enough to count emerald as their birthstone. Here, Gem-A gemmology tutor, Lily Faber FGA DGA EG, explores the history and qualities of this beautiful green beryl.

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Beginner's Guide: Emerald Inclusions and Origin

Beginner's Guide: Emerald Inclusions and Origin

Since the time of the Ancient Egyptians, emeralds have been viewed as tokens of good fortune and harbingers of new beginnings and rebirth. While emeralds are fascinating from a historical and culture perspective, they are equally exciting for gemmologists, particularly when it comes to inclusions.

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Understanding Selenite

Understanding Selenite

The Gem-A Gemstone & Mineral Collection contains this fantastic selenite specimen with grass-like green blades that shoot-out from the host rock. Assistant gemmology tutor, Dr Juliette Hibou FGA, explains more about the origins and properties of this striking gem material. 

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What Makes A Gemstone Rare?

What Makes A Gemstone Rare?

The term 'rare' is thrown around alot online, but what gemstones actually deserve the term and do diamonds fall into this category at all? Gem-A tutor manager, Rona Bierrum FGA DGA, explores some of the rarest gemstones known to man and considers how rarity is measured in the gem and jewellery trade. 

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What is the Link Between an Emerald and the Emerald-Cut?

What is the Link Between an Emerald and the Emerald-Cut?

Sometimes, we come across terms in gemmology that cause confusion. We all recognise the beautiful green colour of an emerald, but there is also an emerald-cut that has nothing to do with the green gem itself… or does it? Here, we explain the story behind the twisted terminology.

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The Most Underappreciated Gemstone? Why We Love Rock Crystal

The Most Underappreciated Gemstone? Why We Love Rock Crystal

Everyone knows that lucky April-born souls have been blessed with one of the most prestigious birthstones: diamond. However, there is an alternative birthstone for the month and it's a 'hidden gem'... so to speak! Gem-A Member, Julia Griffith FGA DGA EG explains why rock crystal is worth your time and attention. 

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