Jewels & Jadeite Hong Kong Sunday, May 28, 2017 | Phillips

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    • Catalogue Essay

      If a diamond is classified as Type IIa, it indicates that the diamond contains almost none or is completely free of nitrogen. Since nitrogen is one of the reasons contributing to the yellow hue in diamonds, Type IIa represents utmost purity and makes up only 1-2% of all natural diamonds. Many of the world’s most famous diamonds are Type IIa, including the Cullinan and Kooh-i-Noor.


    An Unmounted Heart-shaped Diamond

    HK$750,000 - 850,000 

    Contact Specialist
    Terry Chu
    Head of Jewellery, Asia, Senior Director
    +852 2318 2038

    Jewels & Jadeite

    Hong Kong Auction 29 May 2017