China Lab-Grown Diamond Producers Shift 2 Million Carats to High-Tech Sector

Chinese lab-grown diamond producers are shifting some capacity from jewellery toward materials for AI servers and semiconductors; one producer plans to raise functional materials above half of output by 2030.

• At Feng Canjun’s factory, about 70% of annual production of 2 million carats currently goes to jewellery; Feng plans to raise functional materials to more than 50% by 2030.· 1 source
• Henan Liliang Diamond redirected 1 billion yuan, reported as $149.18 million, from a gem-grade expansion to a functional-diamond project.· 1 source
• Research from the Ningbo Institute of Materials Technology and Engineering found diamond-copper cooling modules improved heat dissipation by 80% and processing performance by 10%.· 1 source