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14 Μαρ 2013 · Learn how GIA created the 4Cs (Color, Clarity, Cut and Carat Weight) as a universal method for establishing the quality of any diamond, anywhere in the world. See the latest GIA report scales and 1-minute videos on the 4Cs.
- GIA Grading
The GIA Diamond Grading Report. This report uses the...
- Clarity
The GIA International Diamond Grading System ™. The GIA...
- Natural Diamonds
Diamond Grading Report. Full 4Cs assessment with a plotted...
- Analysis & Grading
GIA is the world’s most trusted name in diamond grading and...
- Report Check
Report Check Features. A Report Access Card containing your...
- How GIA Grades Diamonds
With thousands of diamonds, and hundreds of diamond graders,...
- GIA 4Cs
GIA Diamond Grading Reports are also used by appraisers to...
- GIA Grading
Diamond Grading Report. Full 4Cs assessment with a plotted clarity diagram. For loose, natural D-to-Z color diamonds only, weighing 0.15 carats or more. View Sample Report.
GIA is the world’s most trusted name in diamond grading and gem identification. With objectivity and expertise as its hallmarks, GIA ensures the integrity and accuracy of every report it issues. GIA tests every material submitted to determine whether it is natural or not, and discloses any treatments discovered during our examination.
Report Check Features. A Report Access Card containing your diamond's report number, 4Cs grading information, and a QR code that links directly to your digital report can be added to receipts, invoices, and your e-commerce site to share with your customers.
The GIA Diamond Grading Report. This report uses the universally accepted GIA standards to determine a natural diamond’s shape, color, clarity, cut and carat weight – as well as proportions, finish and treatments.
GIA Diamond Grading Reports are also used by appraisers to determine a diamond’s value if you want to insure your diamond engagement ring. At GIA, we know diamonds. We created the 4Cs of diamond quality and the GIA International Diamond Grading System™ used worldwide for grading diamonds. Top museums and auction houses trust us to evaluate ...
Learn about the GIA laboratory's processes and procedures to grade diamonds for color, clarity, cut, and finish. Find out how GIA ensures anonymity, objectivity, and accuracy in its diamond grading services.
