G&G announces the winners of the Dr Edward J. Gübelin Most Valuable Article Awards for 2019.
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GIA’s services and instruments have grown in importance and impact as new gem treatments and laboratory-grown gems have entered the market.
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“Jewels of Hollywood”, on loan from the Kazanjian Foundation, showcases some of the jewellery and accessories associated with Hollywood royalty.
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Collectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.
Read MoreThese red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.
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Enter a world not well-known in the West—the world of the maharajas and their jewellery, coveted by the modern-day moguls of business, entertainment and royalty. See the fantastic works of art made today in the form of enamelled Kundan meena jewellery and the regal look of polki diamonds.
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Colombia is home to a rainbow of gems, but emeralds – and the tales of lore that surround them – are the country’s most well-known treasures.
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Material set in a calcite matrix and represented as natural ruby is proven to be synthetic.
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An unusual synthetic ruby, combining a hydrothermal ruby seed and flux ruby overgrowth, is examined at the Carlsbad lab.
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Over these eight decades, G&G has been a critical resource for the gem and jewellery industry. Groundbreaking articles on diamond grading appeared as early as the 1940s. Through the Lab Notes section, GIA gemmologists reported on the latest treatments and synthetics, which helped to protect the trade and the public.
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