UNDERSTANDING DIAMOND CERTIFICATION
UNDERSTANDING YOUR DIAMOND
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A report may include a unique report number, measurements, shape, and information identifying the diamond as laboratory-grown.
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Depending on the laboratory and report type, grading information may include cut, color, clarity, carat weight, and other characteristics.
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Independent gemological laboratories examine diamonds using established testing and grading procedures.
Understanding the details helps you choose with confidence.
INDEPENDENT DIAMOND GRADING
Independent gemological laboratories evaluate and document diamond characteristics, providing valuable information to help buyers understand what they are purchasing.
LABORATORY 01
International Gemological Institute
IGI provides grading and identification services for natural and laboratory-grown diamonds. Depending on the report type, its documentation may include diamond measurements, identification, and quality characteristics.
LABORATORY 02
Gemological Institute of America
GIA is a leading gemological research and education organization known for developing the internationally recognized 4Cs framework. Its laboratory-grown diamond assessment services and report formats may differ from those used for natural diamonds.
Understanding who evaluates a diamond is another step toward choosing with confidence.
READING YOUR REPORT
A diamond grading report contains valuable information about a diamond's identity and characteristics. Explore the details commonly found in laboratory-grown diamond reports.
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A unique reference number assigned by the grading laboratory, which may be used to locate and verify the report.
