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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, [ 3 ] the institute is headquartered in Carlsbad, California , and operates in 13 countries, with 11 campuses, 9 laboratories, and 4 ...

  3. 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]

  4. 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.

  5. Peer assessment - Wikipedia

    en.wikipedia.org/wiki/Peer_assessment

    Peer assessment, or self-assessment, is a process whereby students or their peers grade assignments or tests based on a teacher's benchmarks. [1] The practice is employed to save teachers time and improve students' understanding of course materials as well as improve their metacognitive skills.

  6. Giada De Laurentiis poses topless in October issue of Health

    www.aol.com/entertainment/2016-09-13-giada-de...

    Despite her busy schedule, De Laurentiis makes spending time with her kiddo, Jade, a top priority. But the single mom reveals being divorced makes it especially difficult.

  7. College cost calculator - Wikipedia

    en.wikipedia.org/wiki/College_cost_calculator

    A college cost calculator, in the United States, is an online tool allowing students and their parents to calculate how much college is likely to cost. [ 1 ] [ 2 ] Numbers are input into the online calculator, and if done properly, it gives an estimate of the likely expenses for that student attending that particular college.

  8. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements.Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.

  9. The Hitchhiker’s Guide to confirming Trump Cabinet nominees ...

    www.aol.com/news/hitchhiker-guide-confirming...

    None of President-elect Trump's Cabinet nominees can be confirmed until he takes office on Jan. 20 – and expect a traffic jam in the Senate when he does.