About Us
Who is Jostar?
Jostar, founded in 2014 and registered in Hong Kong, is a comprehensive company dedicated to developing the world's lab grown diamonds industry. Jostar integrates the production, processing, cutting, and polishing of lab grown diamonds rough stones, as well as the exploration, design, and production of 18K gold, 14K gold, and platinum jewelry. Jostar's international marketing department focuses on wholesale. The wholesale headquarters is located in Shenzhen Shuibei, China's largest jewelry wholesale market. The wholesale branch is in Tianya Jewelry City, Beijing, the capital of China.
Lab Grown Diamond Production Line
Our lab grown diamonds production lines have several foreign and overseas returnee researchers, professors and PhDs in the company, including experts in the National Talent Plan. The company has established long-term strategic alliances with many multinational companies, universities, and research institutes in Japan and the United States. We own the first core intellectual property rights CVD large single crystal diamond (lab grown diamonds) production line in China. In this year, our production lines already have more than 1500 lab diamond grown equipment.
In the meantime, we also have HPHT lab grown diamonds resources，you can customize the cut and polish of any shape you want.
Jewelry Production Line
Jostar's production line specializes in manufacturing high-quality 18K gold, 14K gold and platinum in various designs, including rings, earrings, pendants, necklaces, bracelets, and bangles. Whether you are a retailer, wholesaler, fashion boutique, online marketplace, or corporate buyer, we can provide every type of jewelry that meets your needs. We are dedicated to lab grown diamond jewelry setting. Meanwhile, we also can make jade and colored gemstone products by using materials provided by customers. We can not only undertake custom orders based on customers' provided designs and create board drawings, but also tailor-make and develop designs for customers. We have over 10 years of brand jewelry-making experience senior team. We have the complete jewelry production lines, from designing, CAD, model making, rubber mould, waxing, casting, grinding, filing, assembly and pre-polishing, metal setting, polishing, rhodium plating, and final products quality control.
We believe that excellence in quality, timely and efficient communication, and competitive prices will make every customer become our long-term trading partner.
