Sim Gems Group

Welcome to Sim Gems, your premier source for high-end, natural diamonds. Our company is a leading diamond manufacturer and distributor dedicated to producing some of the finest quality diamonds in the world. While our family run business is now ranked among the top polished diamond suppliers globally, we still operate adhering to our founding principles- Craftmanship, Mutual Respect and Dedicated Personal Service. Sim Gems Group offers a comprehensive range of services to its global customer base, regardless of location, as a diamond manufacturer and supplier. In addition, the company is one of only a few global diamond suppliers that provides a comprehensive assortment of merchandise, allowing clients to meet all diamond performance standards from a single source. Headquartered in Hong Kong, we also have offices across the globe. Our state-of-the-art offices are the hubs of all activities associated with manufacturing and supplying the highest quality diamonds to the market.