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2. Diamond clarity - Wikipedia

   en.wikipedia.org/wiki/Diamond_clarity

   Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat , color , and cut .

3. Diamond color - Wikipedia

   en.wikipedia.org/wiki/Diamond_color

   Diamond color grading chart. Refers to a grading scale for diamonds in the normal color range used by internationally recognized laboratories (GIA, IGI, & GCAL by Sarine for example). The scale ranges from D which is totally colorless to Z which is a pale yellow or brown color.

4. How Much Is a Diamond Worth? How To Find the Value of ... - AOL

   www.aol.com/finance/much-diamond-worth-value...

   The weight of a diamond is one of these variables that determines a diamond’s worth and is what the general public is most familiar with. The unit of measurement, called the carat, equals 200 ...

5. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   Diamonds become increasingly rare when considering higher clarity gradings. Only about 20% of all diamonds mined have a clarity rating high enough for the diamond to be considered appropriate for use as a gemstone; the other 80% are relegated to industrial use. Of that top 20%, a significant portion contains one or more visible inclusions.

6. List of diamonds - Wikipedia

   en.wikipedia.org/wiki/List_of_diamonds

   A diamond which received a "perfect" 0/0/0 rating from the American Gem Society, weighing 3.03 carats (0.606 g) rough and 1.09 carats (0.218 g) cut. On exhibit at Crater of Diamonds State Park in Arkansas, where it was found in 1990.

7. 813-karat diamond was just sold as the most expensive diamond ...

   www.aol.com/news/2016-05-09-813-karat-diamond...

   The gemstone was purchased by Nemesis International DMCC, a rough-diamond trading company that markets itself as having created "one of the most in depth pricing systems ever produced for the ...