Rio Tinto has provided a virtual preview of rare Argyle pink, red, violet and blue diamonds from its iconic diamond mine, in one of the very last offerings to an exclusive group of collectors, diamond connoisseurs and luxury jewellery houses. The 2020 Argyle Pink Diamonds Tender, a collection of the rarest diamonds from a year’s […]

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The AGTA Spectrum and Cutting Edge Awards is already the most important and prestigious colored gemstone competition in the world. According to Douglas K. Hucker, CEO of the American Gem Trade Association, which sponsors the annual event, this year’s group of approximately 500 entries shows that the competition just gets better. “It is evident that […]

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