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Diamond Education

The 4 C’s of Diamond Valuation. Part 1: Carat

March 1, 2016/ BY Coster Diamonds

The Carat of a diamond

Mr. Donny Griffioen is the Chief Purchasing also Director at Coster Diamonds. Therefore responsible for the diamonds we trade in. He has been working in the diamond industry from a very young age. He is also  co-created  the Royal 201 and he is one of the most hihgly respected authorities on diamonds. In this 4 part series he will explain and show you the parts of diamond valuation, commonly known as the 4 C’s.

In the first part of this series he will explain everything there is to know about carat and he brought some beautiful examples to show.


Royal Coster Diamonds