全球最大培育钻石在河南诞生，企查查：培育钻石相关企业超800家

Group 1 - The core point of the article is that Power Diamond has successfully cultivated a diamond weighing 156.47 carats using high-temperature and high-pressure methods, setting a new world record for the largest known single crystal lab-grown diamond, surpassing the previous record of 150.42 carats [1] - The achievement indicates that Power Diamond's technology for cultivating large single crystals has reached a globally leading position, further solidifying its technological advantage [1] Group 2 - According to Qichacha data, there are currently 873 companies related to lab-grown diamonds in China [2][6] - A significant portion of these companies are established players, with nearly 60% having been in operation for over 10 years, accounting for 59.54% [2] - The majority of lab-grown diamond companies are concentrated in Central China and East China, representing 33.91% and 29.55% respectively [6] Group 3 - Most lab-grown diamond companies are lightweight enterprises, with 30.68% having registered capital of less than 1 million yuan [8] - Additionally, 21.86% of these companies have registered capital between 1 million and 2 million yuan [8]