内容概要：近年来，随着国民收入水平提高，消费者的购买力逐渐增强，对珠宝首饰的需求也在稳步上 升，同时，消费者的消费观念逐渐从注重产品的实用功能向注重品质、品牌和文化内涵转变，对珠宝首 饰的需求不再局限于传统的黄金饰品，钻石、彩色宝石、翡翠等各类珠宝的消费需求都在不断增加，据 中国珠宝玉石首饰行业协会数据显示，按销售额计算，2023年我国珠宝首饰行业市场规模达8200亿元， 同比增长14.05%，2024年受宏观经济增速下滑、消费者信心不足等诸多因素影响，我国珠宝首饰消费 有所萎缩，市场规模降至7788亿元，其中，黄金产品市场规模约5688亿元，约占整个珠宝市场的 73.0%；钻石产品市场规模约为430亿元，占比约5.5%；玉石市场规模约为980亿元，占比约12.6%；彩 色宝石产品市场规模约为270亿元，占比超3.5%；珍珠产品市场规模约为210亿元，占比近2.7%；铂金 及白银产品市场规模约为80亿元，占比约1.0%；流行饰品及其他品类市场规模共计约130亿元，占比约 1.7%。 上市企业：周生生（00116.HK）、潮宏基（002345）、周大生（002867）、老凤祥（600612）、中国 黄金（600 ...

Market Overview - On May 27, the cultivated diamond sector opened strong, with Huanghe Xuanfeng hitting the daily limit up, and companies like Huifeng Diamond, Sifangda, and Liliang Diamond also experiencing significant gains [1] Company Developments - **ST Yazhen (603389.SS)**: Holds a 30% stake in Yazhen Diamond, which specializes in CVD large-size diamond manufacturing and sales, contributing to about 20% of the cultivated diamond sales market, with high-end quality diamonds accounting for over 50% [3] - **Huanghe Xuanfeng (600172.SS)**: Plans to increase its stake, leveraging 20 years of technical experience in cultivated diamonds, with a focus on R&D, production, and quality management [3] - **Sifangda (300179.SZ)**: Its subsidiary Tianxuan Semiconductor is involved in CVD technology R&D and has signed a 700 million yuan investment agreement to establish a production line for 700,000 carats of functional diamonds annually [3] - **Liliang Diamond (301071.SZ)**: A leading domestic producer of cultivated diamonds, currently producing high-grade diamonds in the range of 2-10 carats, with research indicating potential for 25-carat diamonds [4] Industry Events - On May 27, Huanghe Xuanfeng announced a joint venture with Bozhi Jinduan to develop diamond-based thermal materials for the semiconductor packaging sector [5] - Liliang Diamond is focusing on high-power heat sink projects, anticipating broad applications for diamonds in semiconductor cooling [5] - A $27 million agreement was signed between Akash and NxtGen for deploying diamond cooling servers in India [5] - Huawei and Nvidia are both exploring diamond cooling technologies, with Huawei filing a patent related to semiconductor devices involving diamond cooling [5] Industry Insights - Diamonds possess the highest known thermal conductivity, being 13 times that of silicon and 4-5 times that of copper and silver, making them a promising material for the semiconductor industry [6] - The diamond cooling technology can enhance GPU and CPU performance by three times, reduce temperatures by 60%, and lower energy consumption by 40%, potentially saving millions in cooling costs for data centers [6] - The diamond cooling market is projected to grow from $0.5 million in 2025 to $15.2 billion by 2030, with a compound annual growth rate of 214% [6] - In quantum computing, nitrogen-vacancy centers in diamonds are seen as a core material due to their ability to maintain quantum states at room temperature [6] - CVD-produced polycrystalline diamond heat sinks have a diameter of up to 2 inches and a thickness of 0.3 to 1 mm, offering superior thermal conductivity compared to traditional materials [6]

提到珠宝，尤其是宝石类，首当其冲被联想到的就是，保值和增值，这成为很多人钟爱购买珠宝的主要原因。 中国的珠宝市场也一直在增值。根据中研普华产业院发布的《2024-2029年中国金银珠宝首饰市场深度调查研究报告》显示，中国珠宝市场规模已从2018年 的5800亿元跃升至2023年的8200亿元，复合年增长率高达7.2%。2024年，该行业市场规模预计将超过9201亿元。 近期，来自香港的万邦珠宝公开向美SEC递交赴美上市招股书，计划在纳斯达克上市，股票代码：MPJS，计划发行150万普通股，占本次发行完成后的的 5%，发行价4—5美金。另外来自老股东计划出售130万股（MPJS Investment Co., Ltd。MPJS Investment Co., Ltd, a common investment holding company held by Mr. SZE Kam Fuk, Ms. SZE Sau Lan and Ms. SZE May Moon）预计本次发行市值在1.3亿美金。 值得关注的是，早在2019年，万邦珠宝曾向港交所递交招股书，拟在创业板上市。 黄金产品营收接近翻倍毛利率却下滑明显 招 ...