Group 1: Market Trends - De Beers Group has lowered diamond rough prices again after more than a year, influenced by a cooling luxury goods market and the rising popularity of lab-grown diamonds [1][3] - The auction held by De Beers saw significant price reductions for rough diamonds over 0.75 carats, although the exact reduction percentage remains unclear due to a change in pricing strategy [3] - The trend of declining diamond sales and prices has persisted for several years, with certified diamond prices dropping by 35% to 40% in the past year [7] Group 2: Price Comparisons - A diamond ring purchased for 10,000 yuan a decade ago is now valued at only 3,000 yuan, indicating a significant depreciation [7] - The price of lab-grown diamonds has decreased by over 50% from peak levels, with 1-carat lab-grown diamonds now priced at 3,500 yuan, significantly lower than natural diamonds [11] - In contrast, gold prices have surged over 400% in the same period, highlighting the stark difference in value retention between diamonds and gold [8] Group 3: Lab-Grown Diamonds - By 2025, lab-grown diamonds are expected to account for over 40% of the global diamond jewelry market, an increase of more than eight times since 2019 [10] - The production of lab-grown diamonds in China is projected to reach approximately 22 million carats in 2024, representing a 144.44% year-on-year increase and 63% of global output [13] - The retail prices of lab-grown diamonds are now significantly lower than those of natural diamonds, making them increasingly attractive to consumers, particularly younger buyers [15]

Group 1 - The core viewpoint of the article is that De Beers Group has lowered diamond rough prices again after more than a year, influenced by a cooling luxury goods market and the rising popularity of lab-grown diamonds [1][3]. Group 2 - De Beers significantly reduced the prices of rough diamonds over 0.75 carats during a recent auction, although the exact reduction amount is unclear due to a new invoicing method that combines total prices instead of individual box pricing [3]. - The price adjustment is attributed to several factors, including the decline in global luxury goods consumption, the increasing trend of lab-grown diamonds, and the U.S. imposing tariffs on India, a major diamond processing country [3]. Group 3 - De Beers Group, founded in 1888 in London, was once responsible for about 90% of the global diamond supply market [5].

Core Insights - The article highlights the rapid development and innovation in the new materials industry in Henan, China, showcasing various advanced materials and their applications in different sectors [1][6]. Group 1: Diamond Industry - The first synthetic diamond in China was created in Zhengzhou in 1963, marking the beginning of the synthetic diamond industry in the country [1]. - Henan's diamond industry has seen significant growth, with the production of a 156.47-carat diamond, the largest known single crystal synthetic diamond globally, by Henan Power Diamond Co., Ltd. [3]. - Official data indicates that China's synthetic diamond production accounts for 95% of the global total, with Henan contributing approximately 80% of the national output [5]. Group 2: New Materials Development - The multi-fluorine new materials company in Jiaozuo leads in the inorganic fluorine materials sector, having established over 100 national and industry standards [6]. - The copper foil industry in Lingbao has achieved a production capacity of 78,000 tons, contributing to a total output value exceeding 20 billion yuan [6]. - Lingbao Huaxin Copper Foil Co., Ltd. has successfully produced ultra-thin lithium battery copper foil, with thicknesses reaching 4 micrometers, setting new industry records [9]. Group 3: Government Support and Industry Ecosystem - Local governments in Henan have actively supported enterprises by providing assistance in funding, technology, and talent, facilitating the growth of the new materials sector [5]. - The collaboration between various local governments and enterprises has led to the establishment of a comprehensive diamond industry ecosystem, integrating upstream and downstream processes [5].