As a cost-effective, if the customer has paid a high brand and advertising fee at the time of purchase, then your price space has been taken away by the merchants. Like Jiayou Diamond Angel, it has been engaged in jewelry business for more than 20 years, and has rich purchase resources and honest management mode. The sales model of online plus physical stores is different from the general traditional sales, and the price is nearly half cheaper than that of shopping malls and stores. The bare stone has the appraisal certificate of GIA American Gemological Institute. After-sales service and business voice synchronization. Therefore, his cost performance exceeds the purchase of shopping malls and stores. The landlord can also go directly to the website of Diamond Angel for consultation. Address: Room 428, Guo Xin Holding Building, diagonally opposite Yintai, No.515 Yan 'an Road.