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- www.nouv.com - some beautiful modern examples of fine jewelry products with fancy colored diamonds (color enhanced with HPHT treatment).
- www.rohdiamant.de - perfectly illustrated and most informative site dedicated to all aspects of rough and polished diamonds. The Dr. Heinz Malzahn Gemmologisches Labor is long time and well established business & scientific partner of Aphrodiamante GmbH.
- www.vdiamant.de - industrial diamonds and cBN, diamond and CBN-tools, equipment for quality control and sorting of industrial diamonds and cBN
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