Sim Gems Limited is one of the most respected manufacturer, miner, wholesaler, and distributor of fine diamonds. We supply a wide range of investment grade gems to the leading jewellery retailers that have made their names worldwide. 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 Limited 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, including in Dubai, Israel, Mumbai and South Africa. Our state-of-the-art offices are the hubs of all activities associated with manufacturing and supplying the highest quality diamonds to the market.