10/12/2025
Seven years after the inaugural Great Diamond Debate, the diamond landscape is almost unrecognisable. Natural and laboratory-created stones now share a stage transformed by technology, shifting values, and new rules of engagement. In this edition, leading voices worldwide reveal how the story has evolved – and where it’s heading next!
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13/04/2021
• Arabella Roden • Former editor
As the era of the Argyle Mine draws to a close, ARABELLA RODEN explores the compelling history and enduring legacy of the world’s premier source of pink diamonds.
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06/12/2019
A lot has happened since our first Great Diamond Debate - Round I. In the past 12-months, the continuing brouhaha concerning natural versus lab-grown diamonds has become complex, turning into a latter-day ‘land grab’ for the hearts and minds of consumers. Read updates from industry leaders around the world weigh in on the debate.
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23/09/2019
• Arabella Roden • Former editor
The Gemological Institue of America (GIA) has announced upgrades to its iD100 Diamond Detector that allow it to distinguish natural pinks, blue/green and brown diamonds from synthetics.
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07/12/2018
Six months after De Beer’s surprised the international jewellery industry by entering the synthetic diamond market, we explore whether the decision was a strategic move to ensure competitor innovation did not become blanket disruption or whether De Beers finally saw the light and realised lab-grown diamonds are not a menace after all? Perhaps it’s even a little bit of both, or perhaps it doesn’t really matter anyway! Our Great Diamond Debate might help you decide.
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12/12/2016
• Talia Paz • Staff Journalist
Following a five-month trial, the GIA has introduced its Melee Analysis Service in an attempt to address concerns about undisclosed synthetic and treated diamonds.
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11/04/2016
• Stephanie Chan • Staff Journalist
The GIA has developed a device to identify melee-sized synthetic and treated diamonds amid predictions the jewellery industry will soon experience a surge in synthetic stone supply.
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08/03/2016
• Stephanie Chan • Staff Journalist
GIA researchers say that a recently graded synthetic stone – the largest of its kind to be studied by the organisation – exemplifies how quickly synthetic diamond technology is progressing and the increasing importance of identification.
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