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WebIn order to pass the certification process the student must: Pass three 100-question written exams with a score of 87% or better. The student may retake the exams an unlimited number of times until they pass each one. Thereafter, the student must also pass a practical exam which requires identifying and grading 15 gemstones. WebJan 4, 2024 · Of course, all diamonds from South Africa are GIA certified. The highest quality diamond in SA, a round brilliant, SI1 clarity, and an exceptional cut is $6850. The … certified slings \\u0026 supply
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