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Welcome to International Diamond Laboratories diamond grading
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  • welcome to International Diamond Laboratories

    International Diamond Laboratories® provides the diamond trade and jewelry retailers with quality reports of polished diamonds. At International Diamond Laboratories®, objectivity is not just a statement, it is the result of scientifically based standards. Consistency through technology™ is our commitment to diamond & jewelry professionals and public we serve worldwide.

    Find out more about:

    • understanding the 4c's of a diamond
    • the 4c's of a diamond jewelry 
    • your jewelry certificate
    • your diamond and colored stones certificate
    • diamond grading
    • locations

     

  • January 26th 2011
    ARTICLE ON SPINEL - A GEMSTONE

    January 12th 2011
    What to look for when buying diamond jewellery

    January 12th 2011
    Yellow diamonds: a research case at IDL

    September 28th 2009
    Mobile lab at Gold Souk

    March 29th 2009
    Add sparkle to DSF festivities

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