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Learn about Symmetry
Symmetry is an important element of diamond finish. Symmetry refers to the
exactness of the shape and arrangement of facets. This includes naturals,
misshapen facets and extra facets, off center culets and tables, wavy and out
of round girdles, misalignment of crown and pavilion facets. To the unaided eye,
finish features usually have little effect on appearance; they are like pinpoint
inclusions. The importance of symmetry is less important in diamonds that have
lower clarity grades. Symmetry is more important in diamonds that have very high
clarity grades.
When selecting your diamond, choose a diamond that with Excellent, Very Good or Good Symmetry as listed on the diamond grading report. Diamonds with fair to extremely poor symmetry should be avoided. Listed below is a list of abbreviations and brief discriptions of symmetry grades that are used by GIA, EGL, and IGI. EX or E - Excellent, Flawless at 10 power VG or VGD - Very Good, Extremely difficult to locate under 10 power GD, GO, G - Good, Very diffucult to see under 10 power F, FR, FA - Fair, Noticable under 10 power PR, PO, P - Poor, Easy to see under 10X / Visible to unaided eye VP, VE, - Very Poor, Relatively easy to see with the unaided eye EX or EP - Extremely Poor, Obvious to see with unaided eye Abbreviations vary slightly due to variables in database input. Certified-Plus Diamonds has sold hundreds of diamonds with symmetry grades between Excellent and Good. Certified-Plus Diamonds has never had a diamond returned due to a diamond having good symmetry instead of very good or excellent. Diamonds with very good or excellent symmetry have rare symmetry quality. If you have any questions let us help. Call our Certified Gemologist-Appraisers toll free at 1-800-766-7119. |
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