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Complete Instructions for the American Gem Society Laboratories Proportion Based Cut Grading System for the Standard Round Brilliant Polish and Symmetry The Ideal Cut Grade can have Ideal or Excellent polish and symmetry
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Document Date: 2011-09-12 17:39:23
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File Size: 305,57 KB
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Company
Gem Society Laboratories /
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Event
Reorganization /
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SocialTag
Brilliant
Gemstones
Diamond
Knowledge
Grade
Rounding
Girdle
Facet
Diamond cut
Education