Learn how a Diamond is graded based on the 4 C's created by the Gemological Institute of America.
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At IGI, every diamond goes through a meticulous grading process to ensure confidence, consistency, and transparency for dealers and consumers. For more than 50 years, our precision protocols have made an IGI report a trusted resource worldwide. 🌎️ ✨️ Weight: Scales calibrated to four decimal places determine a diamond's carat weight, which is then reported to two decimal places. ✨️ Measurements: Our gemstone-specific optical measuring device creates a 3D digital rendering of the diamond, captur
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At IGI, every diamond goes through a meticulous grading process to e…
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💎Diamond Grading Essentials at IGI New York💎 Ready to master diamond grading? Join us for five weekday mornings of expert-led training where you'll learn how to grade loose diamonds (natural and lab-grown), assess color, clarity, carat weight, polish, symmetry, and more. This course is 50% hands-on practice, using a 10X loupe to prepare you for real-world grading conditions. Upon completion, you will be able to confidently interpret grading reports, appraisals, and gemological documents. 📍Dur
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