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Choosing A Diamond
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Certification is the only assurance of quality. A diamond certification is a detailed diamond quality report issued by an accredited independent gemological laboratory. The most widely recognized gemological laboratories that provide certified diamond quality reports to the diamond and jewelry industry are listed below. Visit their sites to learn details about each laboratory and report.
• 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
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• Cut - Roundness, width and depth of the cut diamond determine the way light is
reflected and emited playing a determining role in it's overall brilliance.
• Color - Grading color in the normal range involves deciding how closely a stone's body color approaches colorlessness. Most diamonds have at least a trace of yellow or brown body color.
• Clarity - A stone's relative position on a flawless to imperfect scale. Clarity characteristics are classified as inclusions (internal) or blemishes (external). The size, number, position, nature, and color or relief of characteristics determine the clarity grade.
• Carat Weight - The metric carat, which equals 0.200 gram, is the standard unit of weight for diamonds and most other gems. If other factors are equal, the more a stone weighs, the more valuable it will be. |
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