Industry Overview - The synthetic diamond industry in China is globally leading, with a growing range of downstream products including cultivated diamonds and diamond products for industrial applications [1] - The retail price of cultivated diamonds has dropped over 50% from peak levels, with high-quality 1-carat cultivated diamonds now priced around 3,500 yuan, compared to over 40,000 yuan for natural diamonds [3] Market Trends - By 2025, cultivated diamonds are expected to account for over 40% of the global diamond jewelry market, representing an increase of more than 8 times since 2019 [3] - In Nanyang, Henan, a significant number of young consumers are actively seeking and purchasing cultivated diamonds, indicating a shift in consumer preferences [4] Production Insights - The production of cultivated diamonds involves high-temperature and high-pressure techniques, with graphite raw materials undergoing transformation in a closed chamber [5] - A complete industrial chain for cultivated diamonds has formed in Henan Province, with 46 companies involved in various stages from seed cultivation to diamond synthesis and cutting [5]

"钻石恒久远，一颗永流传"，这句很多人耳熟能详的广告语，将钻石塑造为爱情与永恒的象征，然而其高高在上的价格却让很多普通百姓望而却 步。如今在柘城，人们戏称实现了"克拉自由"。 位于豫鲁苏皖四省结合处的河南省柘城县，曾经是国家级贫困县。目前，柘城的金刚石微粉年产量和出口量均占全国90%以上，培育钻石产量接 近全国产量的一半。柘城让以前很多人不敢想的钻戒"飞入寻常百姓家"。 如今，"世界金刚石看中国，中国金刚石看河南，河南金刚石看柘城"已成为很多业内人士共识。 记者：杨金鑫 杨静 摄制：马尧 新华社音视频部制作 【纠错】 【责任编辑:邱丽芳】 截至今年9月底，柘城县已生产金刚石单晶约45亿克拉，金刚石微粉约110亿克拉，培育钻石约900万克拉，其中培育钻石产量接近全国产量的一 半。 "克拉自由"源自科技进步。相比于形成天然钻石需要的漫长且苛刻的自然条件，在力量钻石的生产车间，放在一台六面顶压机里的石墨柱合成块 历经7到15天的高温高压后，即可"孕育"出高纯度钻石原石。 ...

Group 1 - The Cultivated Diamond Index increased by 2%, with most constituent stocks rising [1] - Four Seasons led the gains, followed by Huanghe Xuanfeng, World, Power Diamond, and Huifeng Diamond [1]

Core Viewpoint - The stock of Power Diamond experienced a significant increase of 10.30% on November 11, with a trading volume of 1.453 billion yuan, indicating strong market interest and activity in the company's shares [1]. Financing and Trading Activity - On November 11, Power Diamond had a financing buy-in amount of 196 million yuan and a financing repayment of 153 million yuan, resulting in a net financing buy of 42.61 million yuan [1]. - As of November 11, the total financing and securities lending balance for Power Diamond was 465 million yuan, with the financing balance accounting for 3.91% of the circulating market value, indicating a high level of leverage compared to the past year [1]. - In terms of securities lending, Power Diamond had a repayment of 700 shares and a sell-off of 1,400 shares on November 11, with a selling amount of 63,700 yuan based on the closing price [1]. Company Overview - Power Diamond Co., Ltd. is located in the industrial gathering area of Zhecheng County, Henan Province, and was established on November 9, 2010, with its stock listed on September 24, 2021 [1]. - The company's main business involves the research, production, and sales of synthetic diamond products, with revenue composition as follows: cultivated diamonds 50.73%, single crystal diamonds 35.17%, diamond micro-powder 11.38%, and others 2.72% [1]. Financial Performance - As of September 30, 2025, Power Diamond reported a total revenue of 402 million yuan, reflecting a year-on-year decrease of 25.36%, and a net profit attributable to shareholders of 46.27 million yuan, down 73.84% year-on-year [2]. - The company has distributed a total of 421 million yuan in dividends since its A-share listing, with 361 million yuan distributed over the past three years [2]. Shareholder Structure - As of September 30, 2025, the number of shareholders for Power Diamond was 26,300, a decrease of 1.71% from the previous period, while the average circulating shares per person increased by 1.74% to 7,409 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited ranked fifth with 2.9097 million shares, an increase of 1.4771 million shares from the previous period, while the Southern CSI 1000 ETF exited the top ten list [2].

Core Points - The stock of Power Diamond increased by 5.04%, reaching 42.48 CNY per share, with a trading volume of 977 million CNY and a turnover rate of 12.53%, resulting in a total market capitalization of 11.056 billion CNY [1] - Power Diamond Co., Ltd. is located in Zhecheng County, Henan Province, established on November 9, 2010, and listed on September 24, 2021. The company specializes in the research, production, and sales of synthetic diamond products [1] - The main revenue composition of Power Diamond includes cultivated diamonds (50.73%), single crystal diamonds (35.17%), diamond micro-powder (11.38%), and other supplementary products (2.72%) [1] Shareholder Information - Among the top ten circulating shareholders of Power Diamond, a fund under Southern Fund holds a position. The Southern CSI 1000 ETF (512100) reduced its holdings by 10,200 shares in the third quarter, now holding 1.4301 million shares, which accounts for 0.73% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 76.63 billion CNY. Year-to-date returns are 28.54%, ranking 2138 out of 4216 in its category; the one-year return is 28.02%, ranking 1896 out of 3885; and since inception, the return is 13.75% [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 359 days, managing total assets of 122.76 billion CNY, with the best fund return during the tenure being 170.06% and the worst being -15.93% [2]

Core Viewpoint - The article discusses China's dominance in the synthetic diamond industry, highlighting its technological advancements and recent export controls that could impact global semiconductor production costs, particularly in the context of AI and high-performance computing [13][14][27]. Group 1: Synthetic Diamond Production - The majority of synthetic diamonds are produced in Henan, China, which accounts for approximately 80% of the country's total output and 95% of the global production [12]. - The development of the six-sided press machine in the 1960s marked a significant milestone, enabling China to produce synthetic diamonds independently [9][10]. - Technological advancements, such as the powder catalyst process and indirect heating techniques, have improved the efficiency and reduced energy consumption in diamond production [11][12]. Group 2: Export Controls and Strategic Implications - Recent export controls on synthetic diamond products, including micro-powder, single crystals, and grinding wheels, are seen as a strategic move to increase production costs for foreign semiconductor manufacturers [13][14]. - The export restrictions are comparable to those imposed on rare earth materials, positioning synthetic diamonds as a critical leverage point in international trade [13][14]. Group 3: Risks and Future Developments - Despite China's current advantages, there is a potential risk of foreign competitors utilizing chemical vapor deposition (CVD) methods to produce diamonds, which could lead to a shift in the market dynamics [18][19]. - The demand for diamond-based thermal management solutions in AI chips and other high-performance applications is expected to grow, creating new opportunities for the diamond industry [24][27]. - Domestic advancements in semiconductor technology, particularly in diamond substrate applications, are crucial for maintaining competitive advantages in the evolving market [27][28].

Core Viewpoint - China's announcement of export controls on six types of superhard materials, including synthetic diamond powders and cutting tools, significantly impacts the U.S. high-tech industry, as it relies heavily on these materials from China [1][3]. Group 1: Export Controls and Industry Impact - The export controls, effective from November 8, target critical materials essential for high-tech applications, particularly in semiconductor manufacturing [1][3]. - The U.S. semiconductor industry expressed immediate concern, indicating that losing access to Chinese synthetic diamonds could delay high-end chip cooling solutions by three to five years and increase production costs by $200 per chip [9]. Group 2: Historical Context and Development - Historically, China struggled to produce synthetic diamonds and relied on imports from Japan and the U.S., facing high prices and technology restrictions [5]. - The breakthrough in synthetic diamond production began in the 1980s when Chinese researchers developed their own equipment to create synthetic diamonds, leading to a significant reduction in costs and increased domestic production capabilities [5][7]. Group 3: Current Industry Position - By the early 21st century, China established itself as a leader in the synthetic diamond industry, with production levels surpassing those of other countries, particularly in Henan province [7]. - China's synthetic diamond industry now generates substantial revenue, contributing over a thousand billion yuan annually, and has become a critical component in various high-tech applications, including aerospace and deep-sea exploration [9][11]. Group 4: Strategic Response to U.S. Actions - The simultaneous announcement of export controls on superhard materials and rare earth elements is viewed as a strategic countermeasure to U.S. technology suppression tactics initiated in 2018 [11]. - The measures reflect a shift in China's position from a reactive to a proactive stance in global supply chains, indicating a significant change in the dynamics of international trade and technology [11][13].

Group 1 - The core viewpoint of the news is that Strength Diamond's stock price increased by 5.22% to 50.75 CNY per share, with a trading volume of 659 million CNY and a turnover rate of 6.92%, resulting in a total market capitalization of 13.209 billion CNY [1] - Strength Diamond, established on November 9, 2010, and listed on September 24, 2021, is located in the industrial cluster area of Zhecheng County, Henan Province, focusing on the research, production, and sales of synthetic diamond products [1] - The revenue composition of Strength Diamond includes cultivated diamonds at 50.73%, single crystal diamonds at 35.17%, diamond micro-powder at 11.38%, and other supplementary products at 2.72% [1] Group 2 - Among the top ten circulating shareholders of Strength Diamond, a fund under Southern Fund, the Southern CSI 1000 ETF (512100), entered the top ten in the second quarter, holding 1.4403 million shares, which accounts for 0.74% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 64.953 billion CNY, achieving a year-to-date return of 24.69% and a one-year return of 26.71% [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 351 days, with a total fund asset scale of 94.976 billion CNY and a best fund return of 163.98% during the tenure [2]

10月20日，力量钻石涨5.02%，截至发稿，报42.66元/股，成交5.13亿元，换手率6.43%，总市值111.03 亿元。 资料显示，河南省力量钻石股份有限公司位于河南省柘城县产业集聚区，成立日期2010年11月9日，上 市日期2021年9月24日，公司主营业务涉及人造金刚石产品的研发、生产和销售。主营业务收入构成 为：培育钻石50.73%，金刚石单晶35.17%，金刚石微粉11.38%，其他(补充)2.72%。 从力量钻石十大流通股东角度 数据显示，南方基金旗下1只基金位居力量钻石十大流通股东。南方中证1000ETF（512100）二季度新 进十大流通股东，持有股数144.03万股，占流通股的比例为0.74%。根据测算，今日浮盈赚取约293.83 万元。 南方中证1000ETF（512100）成立日期2016年9月29日，最新规模649.53亿。今年以来收益21.99%，同 类排名2052/4218；近一年收益31.97%，同类排名1557/3865；成立以来收益7.95%。 南方中证1000ETF（512100）基金经理为崔蕾。 截至发稿，崔蕾累计任职时间6年349天，现任基金资产总规模949.76 ...

（文章来源：证券日报） 金刚石大单晶主要用于制作金刚石钻头、刀具、修整器等工具，多用于有色金属、光学平面镜、芯片晶 圆等的超精密加工及磨床砂轮修整等。 公开资料显示，力量钻石是一家专业从事人造金刚石产品研发、生产和销售的高新技术企业，主要产品 包括培育钻石、金刚石单晶和金刚石微粉。 本报讯 （记者肖艳青）10月14日，河南省力量钻石股份有限公司（以下简称"力量钻石"）官微显示， 近日，在第十五届中国河南国际投资贸易洽谈会上，力量钻石宣布通过高温高压法成功培育出一颗重达 156.47克拉的钻石原石。并通过了国际宝石研究院（IGI）鉴定，该钻石为目前已知全球最大的人工培 育钻石单晶，刷新了2022年由Meylor Global公司保持的150.42克拉世界纪录。 据悉，此次突破标志着力量钻石的大颗粒单晶培育技术已迈入全球领先行列，并且进一步巩固了技术领 先优势。力量钻石大颗粒金刚石单晶生长技术取得突破，未来有望拓展出更多的应用场景，标志着钻石 功能化应用时代即将到来。 ...