Jan 17, 2008

Diamond Certification

Certification is important for selecting a diamond of good quality at the lowest price. Certification is the assurance of quality. A diamond certificate is an in depth quality report of diamond issued by a qualified independent gemological laboratory. The most renowned gemological laboratories that provide certificates to the diamond and jewelry industry are listed below:

G.I.A. - Gemological Institute Of America
A.G.S. - American Gem Society
E.G.L. - European Gemological Laboratory
I.G.I. - International Gemological Institute
GGL - Global Gemological Laboratory
DCLA - Diamond Certification Laboratory of Australia

Certified Diamond Reports provide this information:
• Color Grade
• Culet Size
• Clarity Grade
• Comments about Diamond
• Depth Percentage
• Fluorescence
• Girdle Thickness
• Measurements
• Plot of Internal and External Inclusions
• Polish
• Shape
• Symmetry
• Table Percentage
• Weight

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