Dr James Shigley shares how GIA determines coloured stone origin and the mysteries of diamond origin.
Read MoreCollectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.
Read MoreLearn about the versatility of melee in jewellery design and how to design and engineer long-lasting jewellery using the GIA Quality Assurance Benchmarks.
Read MoreCircumnavigate the boreal reaches of the globe to explore gems from polar regions.
Read MoreThe diamond industry was slow to recover in 2016 and coloured gems got a welcome shot in the arm. Mixed signals leave no clear indicators for 2017.
Read MoreLomonosov yields fancy colours – purplish pink, violet, green, yellow and brown – and a high percentage of gem-quality colourless (D-to-Z) diamonds.
Read MoreNational Retail Federation predicts a strong increase in holiday sales; U.S. ban on Myanmar ruby and jade lifted; diamond market report.
Read MoreLocated near the Arctic Circle, Diavik is one of the world’s richest diamond deposits and a leader in sustainable mining.
Read MoreEnter 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.
Read MoreAll jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.
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