Diamond Grading
To teach the student how to sort and buy diamonds both in the rough and polished state and how color, imperfection, shape and proportions affect prices.
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To teach the student how to sort and buy diamonds both in the rough and polished state and how color, imperfection, shape and proportions affect prices.
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Showing the single result
The Corlia Roberts Diamond Education College offers a certification program in rough diamonds, diamond cutting, marking and polished grading, having an international reputation for their standards and offer training of a high standard. Dismiss