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  2. Gemological Institute of America - Wikipedia

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

    While both reports contain a number of measurements, including dimensions, proportions, carat weight, color, and clarity, the Diamond Grading Report also includes a diamond plot (a graphic representation of the position and type of inclusions present in the diamond). Diamond reports from GIA (as well as other, for-profit sources) are now ...

  3. Richard T. Liddicoat - Wikipedia

    en.wikipedia.org/wiki/Richard_T._Liddicoat

    In 1953, Liddicoat introduced the GIA diamond grading system - a practical approach to grading the quality of colorless to light yellow polished diamonds on the basis of color, clarity, and cut. A central feature was the D-to-Z color grading system for faceted colorless to light yellow diamonds—the vast majority of diamonds seen in the trade.

  4. International Gemological Institute - Wikipedia

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

    IGI provides independent grading reports, colored stone reports, identification and appraisal reports, diamond authentication and attestations of origin, and laser inscription services. They also offers diamond and colored stone courses through IGI's Schools of Gemology. The IGI school was the first to offer the practical Rough Diamond course. [4]

  5. Diamond clarity - Wikipedia

    en.wikipedia.org/wiki/Diamond_clarity

    Diamond certified FL (flawless) by the GIA Two diamonds of grade VS 1 and SI 2 respectively. The GIA diamond grading scale is divided into six categories and eleven grades. [2] The clarity categories and grades are: [3] Flawless category (FL) diamonds have no inclusions or blemishes visible under 10× magnification. [3]

  6. American Gem Society - Wikipedia

    en.wikipedia.org/wiki/American_Gem_Society

    Primary among these are their diamond grading services. Jewelers are able to have their diamonds scientifically evaluated according to the Four Cs: Color, Clarity, Cut, and Carat Weight. They are then given a diamond grading report, which can be provided to a consumer in order to verify the quality of the diamond they are purchasing. [3]

  7. Hawaii babysitter found guilty of manslaughter after 2019 ...

    www.aol.com/hawaii-babysitter-found-guilty...

    A babysitter in Hawaii was found guilty in connection to the death of a 7-month-old baby girl who officials say died from a Benadryl overdose in 2019.. An Oahu jury found Dixie Denise Villa guilty ...

  8. Diamonds as an investment - Wikipedia

    en.wikipedia.org/wiki/Diamonds_as_an_investment

    There are numerous diamond grading laboratories, with each offering investors, consumers and dealers similar diamond-grading and verification services, including the Gemological Institute of America (GIA) and the CIBJO (Confédération Internationale de la Bijouterie, Joaillerie et Orfèvrerie), also known as the World Jewellery Confederation.

  9. LL Cool J Declares Himself the 'Most Important Rapper That ...

    www.aol.com/ll-cool-j-declares-himself-215613754...

    LL Cool J feels people will look back on him as "the most important rapper that ever existed" He made the claim during an interview on Apple Music's Le Code with host Mehdi Maïzi "I've done so ...

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