培育钻石热度攀升，销量暴增800%

Core Insights - The artificial diamond industry in China is leading globally, with a diverse range of downstream products including cultivated diamonds and industrial diamond products [2] Market Trends - The popularity of cultivated diamonds is rising, with their clarity and color comparable to natural diamonds, making them difficult to distinguish by the naked eye [4] - The retail price of cultivated diamonds has dropped over 50% from peak levels, with a 1-carat high-quality cultivated diamond now priced around 3,500 yuan, compared to over 40,000 yuan for a similar quality natural diamond [4] - By 2025, cultivated diamonds are expected to account for over 40% of the global diamond jewelry market, an increase of more than 8 times since 2019 [4] Industry Development - A complete industrial chain for cultivated diamonds has formed in China, with 46 companies in Henan Province covering all aspects from seed cultivation to diamond synthesis and cutting [6] - The industrial diamond sector is expanding, with applications in cutting, grinding, and drilling, and is moving from low-end processing to high-end manufacturing in fields like photovoltaics and semiconductors [8] Technological Advancements - China's synthetic diamond tools have reached international advanced levels in processing efficiency, cutting precision, and service life, with an estimated industrial output value of around 100 billion yuan by 2024 [10] - Diamond's thermal conductivity is about five times that of copper and eight times that of aluminum, making it suitable for emerging applications in heat dissipation for high-power, high-frequency electronic devices [12] Future Potential - The market for material replacements in the diamond industry is expected to reach hundreds of billions, with further improvements in synthesis purity potentially unlocking significant market potential for synthetic diamonds as semiconductor substrates [14]