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  2. Gemological Institute of America - Wikipedia

    en.wikipedia.org/wiki/Gemological_Institute_of...

    In 1953 the GIA developed its International Diamond Grading System and the "four Cs" (cut, clarity, color, and carat weight) as a standard to compare and evaluate the quality of diamonds. [2] As of 2024, the institute is headquartered in Carlsbad, California, and operates in 13 countries, with 11 campuses, 9 laboratories, and 4 research centers.

  3. World Diamond Council - Wikipedia

    en.wikipedia.org/wiki/World_Diamond_Council

    The World Diamond Council is an organization representing the entire diamond value chain including representatives from diamond mining, manufacturing, trading and retail. The council was established in July 2000. The purpose was to create a system to keep the supply chain of diamonds as free as possible from conflict diamonds. [1] [2] [3] [4]

  4. Eli Izhakoff - Wikipedia

    en.wikipedia.org/wiki/Eli_Izhakoff

    Over the three years that followed, Izhakoff worked together with government representatives from around the world and representatives of civil society, to create an international system that will regulate the flow of rough diamonds into the distribution pipeline, in order to eliminate the presence of merchandise from areas of civil conflict.

  5. International Gemological Institute - Wikipedia

    en.wikipedia.org/wiki/International_Gemological...

    International Gemological Institute (IGI) is a gemological organization which certifies diamond, colored stone and jewelry. It was established in 1975 in Belgium. It was established in 1975 in Belgium.

  6. Antwerp World Diamond Centre - Wikipedia

    en.wikipedia.org/wiki/Antwerp_World_Diamond_Centre

    The World Diamond Center is home to all of the major diamond mining companies, which discover diamonds for over 1,800 individual diamond dealers across the globe. Other groups that aid in development, protection, and processing of these diamonds include diamond banks, insurance brokers, forwarders, best polishers, and researchers.

  7. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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