By Amy Lv and Casey Hall ZHENGZHOU, China Oct 27 (Reuters) - Around 70% of the 2 million carats of lab-grown diamonds ...

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As falling gem prices squeeze margins, Chinese lab-grown diamond producers are shifting capacity toward higher-value industrial uses, especially heat-spreading materials for AI servers and chips; one ...

Around 70% of the 2 million carats of lab-grown diamonds produced annually at Feng Canjun's factory currently go into jewellery.