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The Platinum Diamond Quality Document | Grading |
The Platinum Diamond Quality Document(Click on image to view PDF version) AGS Laboratories uses a scientifically vetted cut-grading system, based on optical physics and the American Gem Society’s proprietary ray-tracing software. This three-dimensional analysis is the ultimate test for evaluating the performance of light in a diamond, which is the cornerstone of the Diamond Quality® Document (DQD) and the Platinum Diamond Quality® Document. Have questions or comments? Contact AGS Laboratories.
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11/19/2019Fascinating Phenomena in Gemstones
11/19/2019Jewelry Trends: East-West Settings
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