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Tag Archives: Diamond

December, 2012

  • 26 December

    THE ARCHDUKE JOSEPH DIAMOND AT AUCTION

    Undoubtedly one of the rarest and most famous diamonds in the world, this magnificent gem combines an impressive size of 76.02 carats, perfect colour, and internally flawless clarity. Its origin is traced to the ancient Golconda mines in India, the source of the world’s most coveted historical diamonds. As the …

  • 26 December

    HOW COLOR HAPPENS IN DIAMONDS

    When visible white light enters a diamond, the stone absorbs some of the spectral bands, or wavelengths, and returns, or transmits, others to the viewer’s eye. This process of selective absorption determines the color of any material, including diamond. The colors that return to the viewer’s eye and give an object its …

  • 26 December

    DIAMOND FORECAST REMAINS UNCERTAIN

    While demand for diamonds worldwide is expected to grow slightly next year, the outlook for rough production is less certain. De Beers is unsettled going into 2013 after the resignation of the CEO of its corporate parent, Anglo American Corp. Cynthia Carroll also had been named De Beers’s chairman shortly before …