A report from the 37th IGC, held in late October 2023 in Tokyo.
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A new type of invisible marking in CVD diamonds suggests a possible security measure.
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Profiles a groundbreaking gem artist on a quest to bring new concepts, techniques, and products to the industry.
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The Mumbai laboratory finds a fraudulent GIA inscription on synthetic moissanite.
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Chow Tai Fook and GIA offer secure digital blockchain reports that document the diamond journey and grading information in one place.
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GIA’s Hong Kong laboratory looks at a new radio-frequency identification (RFID) technology for tracking cultured pearls.
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The Bangkok laboratory reports an increasing number of RFID devices embedded in pearls, including two recently submitted South Sea bead cultured pearl necklaces.
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Black Opal Direct’s use of social media increases sales during the COVID-19 pandemic.
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Mercury Free Mining creates partnership to launch a new program intended to find alternatives to mercury in gold mining.
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Using customized, image-based measurement systems to quantify the effect of fluorescence on the color, brightness, and transparency of gem diamonds viewed in both face-up and table-down orientations.
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