The world of diamonds
A KOENIG diamond.
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Gemological Institute of America - 4C's
The method developed by the Gemological Institute of America determines the quality of a diamond based on the 4Cs for Color, Clarity, Carat (weight, 1 carat equals 0.2 grams) & Cut.
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Rapaport Diamond Report
From a weight of more than 0.50 carat our diamonds are always GIA certified and offered to our customers based on the Rapaport Diamond Report.
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Quality & Sustainability
Your jewellery comes from an RJC - Responsible Jewellery Council, London audited and certified value chain in compliance with the highest international standards of ethics and ecology.