Documents the retrieval and testing of P. maxima cultured pearls from a Lombok hatchery.
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Examines Jaipur’s role as a coloured stone cutting and jewellery manufacturing centre, with profiles of 17 companies and their factory, trading and retail operations.
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Presents the underlying physics and methodology of this analytical technique, which has become an essential tool in identifying treated and synthetic diamonds.
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Revival jewellery is inspired by the past – and wearing it connects us to the rich history of the beginning of civilisation.
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A look at the mining and distinguishing characteristics of this naturally vibrant blue sapphire.
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GIA researcher analyses and confirms that De Beers’ Lightbox diamonds are grown using the chemical vapour deposition process.
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Bows have been a popular motif and finishing touch in jewellery and fashion from time immemorial, recurring and adapting to reflect the style of the era.
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Looking for a gift for someone special? December’s birthstones offer a treat for every taste, style and personality – even if it’s not their birth month.
Read MoreThis collection of jewellery images illustrates how metalwork techniques showcase gemstone and jewellery designs.
Read MorePresents a group of corundum standards developed by GIA to improve the accuracy and efficiency of its laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) instruments.
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