Frequently Asked Questions: IDGL Services
IDGL specializes in diamond grading and gemstone identification. Contact us to discuss the examination suitable for your item and the information you need.
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Frequently Asked Questions: Reports and Verification
It records the conclusions issued within the selected examination scope. Read the report title, results, comments, and limitations to understand what it covers.
Read article →Frequently Asked Questions: Diamonds
The 4Cs are carat weight, color, clarity, and cut. They describe different aspects of diamond quality within the relevant reporting system.
Read article →Frequently Asked Questions: Colored Gemstones
No. Natural origin and treatment are separate questions. Read the material designation and treatment wording individually.
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