Alan Nacht continues his family’s legacy - Bernard Nacht & Co. – and his quest for unforgettable jewellery.
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A summary of the content found in the Autumn 2016 issue of Gems & Gemology.
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A summary of the content found in the Summer 2016 issue of Gems & Gemology.
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Find out more about what causes a diamond to chip, and 8 tips on how you can avoid chipping your diamond.
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A summary of the content in the Spring 2016 issue of Gems & Gemology.
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GIA began issuing reports that included a cut grade for round brilliant diamonds in 2006 in an effort to establish standards for cut in the same manner as it has for colour and clarity. This grading system is based on research conducted over the previous decade which was chronicled in several articles published in Gems & Gemology.
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Looking to buy a diamond online? We have 10 tips to help you click the “Buy Now” button with confidence.
Read MoreThis article discusses the history and ongoing development of GIA's colour grading system, and explains how its laboratory applies it.
Read MoreModern gemmologists and diamantaires are faced with a broad spectrum of colour and clarity treatments ranging from the simple to the highly sophisticated.
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This article reviews the GIA Laboratory’s history of reporting on certain types of graining which are often the only characteristics present in large, high-clarity, high-colour diamonds.
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