Gemology

【Julian, Cali】New Emerald Locality in Southern California

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Editor’s NoteA new emerald deposit has been identified in California’s Julian Mining District, marking a notable geological discovery in a region not…

【Lucerne, Swi】Gübelin to Develop AI Approach to Gemstone Analysis

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Editor’s NoteGübelin Gem Lab is collaborating with Swiss R&D center CSEM to develop an AI-driven platform aimed at automating gemstone authenticity…

【Carlsbad, Ca】Enroll in GIA Essentials eLearning Courses at No Charge

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Editor’s NoteThis article has been updated to reflect that GIA’s no-charge offer for Essentials classes is now closed due to high demand. UPDATE AS…

【China】China.com: (Wu Yabin) ‘The Beauty of Diamond: Hardness 10’ Officially Published

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Editor’s NoteThis article announces the official release of ‘The Beauty of Diamond: Hardness 10’ at a major industry conference in 2019. It…

【China】The Beauty of Diamond: Hardness 10 Officially Published

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Editor’s NoteThis article highlights the launch of “The Beauty of Diamond: Hardness 10” at a major industry conference, underscoring its significance…

【New Delhi, I】How to Tell if a Diamond is Real or Fake

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Editor’s NoteThis article discusses the long history of artificial diamonds, from ancient imitations to modern lab-grown stones. While it highlights…

【Lucerne, Swi】About the GIA Gem Project and the Gem Collection of Dr. Edward J. Gübelin

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Editor’s NoteThe pioneering work of Dr. Edward J. Gübelin established the modern scientific foundation for gemology. His vast personal collection,…

【Jaipur, Indi】Glass-Filled Polki-Cut CVD Synthetic Diamonds

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Editor’s NoteThis article examines the delicate nature of polki diamonds and the growing market trend of filling them with high-refractive-index…