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Brown diamonds behind Diam Concept lab closure

By Zélie de Crécy and Léo Durin

Published on 23.01.2025 at 06:00 GMT Reading time 3 min

France's one and only manufacturer of laboratory diamonds shut up shop on 11 December. The firm's failure highlights the challenges of meeting jewellers' strict requirements for flawless synthetic stones.

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Brown diamonds behind Diam Concept lab closure