| DIAMOND TECHNIC LIMITED | Private company limited by shares | Dissolved |
| DIAMOND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND TECHNOLOGY HK LIMITED | Private company limited by shares | Live |
| Asia Diamond Technology Limited | Private company limited by shares | Live |
| Diamond Cellular Beauty Technology Limited | Private company limited by shares | Live |
| DRAGON DIAMOND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TERRY DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| GIA Jewelry and Diamond Testing Limited | | Live |
| NEW THREE DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| TIEN LOONG DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND TIME LIMITED | Private company limited by shares | Live |
| HT Diamond Tooling Limited | Private company limited by shares | Live |
| EIN DIAMOND TOOLS LIMITED | Private company limited by shares | Live |
| MDK Diamond Tools Limited | Private company limited by shares | Dissolved |
| GOLD DIAMOND TOOLS LIMITED | Private company limited by shares | Live |
| SMART DIAMOND TOOLS LIMITED | Private company limited by shares | Dissolved |
| YOUNGCHUAN DIAMOND TOOLS LIMITED | Private company limited by shares | Live |
| DIAMOND TOURS LIMITED | Private company limited by shares | Dissolved |
| DIAMOND TOYS COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND TRADE LIMITED | Private company limited by shares | Dissolved |
| TRADE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND TRADE LIMITED | Private company limited by shares | Live |
| HK DIAMOND TRADE LIMITED | Private company limited by shares | Live |
| Diamond Trades Limited | Private company limited by shares | Live |
| DIAMOND TRADING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PAK DAK DIAMOND TRADING LIMITED | Private company limited by shares | Dissolved |
| CTF Diamond Trading Company Limited | Private company limited by shares | Live |
| DIAMOND TRADING LIMITED | Private company limited by shares | Dissolved |
| NEW DIAMOND TRADING LIMITED | Private company limited by shares | Dissolved |
| Diamond Trading Limited | Private company limited by shares | Live Commenced dormancy on 18-May-2016 |
| A&G Diamond Trading Limited | Private company limited by shares | Live |
| Diamond A Trading Limited | Private company limited by shares | Live |
| DIAMOND TRADING LIMITED | Private company limited by shares | Live |
| Max Diamond Trading Limited | Private company limited by shares | Live |
| DIAMOND TRADING ASIA LIMITED | Private company limited by shares | Live |
| DIAMOND ASSET TRADING LIMITED | Private company limited by shares | Live |
| BEST DIAMOND TRADING LIMITED | Private company limited by shares | Live |
| DIAMOND CHESS TRADING LIMITED | Private company limited by shares | Dissolved |
| Delighted Diamond Trading Company Limited | Private company limited by shares | Live |
| DIAMOND DRAGON TRADING COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND FERT. TRADING LIMITED | Private company limited by shares | Dissolved |
| FLAIR DIAMOND TRADING COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND FOCUS TRADING LIMITED | Private company limited by shares | Live |
| GOLD DIAMOND TRADING LIMITED | Private company limited by shares | Dissolved |
| HOPE DIAMOND TRADING LIMITED | Private company limited by shares | Live |
| Diamond Luck Trading Limited | Private company limited by shares | Dissolved |
| LUCY'S DIAMOND TRADING COMPANY LIMITED | Private company limited by shares | Live |
| FIRST DIAMOND MACHINERY TRADING LIMITED | Private company limited by shares | Dissolved |
| DIAMOND MARK TRADING LIMITED | Private company limited by shares | Live |
| DIAMOND OCEAN TRADING CO. LIMITED | Private company limited by shares | Live |
| Ocean Diamond Trading Limited | Private company limited by shares | Live |
| DIAMOND RICH TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SAKHA DIAMOND TRADING LIMITED | Private company limited by shares | Dissolved |
| Ace Spade Diamond Trading Limited | | Live |
| SUCCESS DIAMOND TRADING LIMITED | | Live |
| DIAMOND SUMMIT TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| DIAMOND VICTORY TRADING LIMITED | Private company limited by shares | Live |
| DIAMOND WEALTH TRADING LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WEALTH TRADING LIMITED | Private company limited by shares | Live |
| TRADITION DIAMOND LIMITED | Private company limited by shares | Live |
| TREASURE DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND TREE LIMITED | Private company limited by shares | Live |
| DIAMOND TREE INVESTMENT CO. LIMITED | Private company limited by shares | Live |
| Diamond Tree Asia Pacific Limited | Private company limited by shares | Dissolved |
| DIAMOND TRENDZ LIMITED | Private company limited by shares | Live |
| DIAMOND TRIANGLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND TRINITY LIMITED | Private company limited by shares | Dissolved |
| TRIPLE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| TRUE AND DIAMOND JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| Twinkle Diamond Limited | Private company limited by shares | Live |
| DIAMOND TWINS LIMITED | Private company limited by shares | Dissolved |
| ULTRA DIAMOND LIMITED | Private company limited by shares | Live |
| ULTRA GOLD AND DIAMOND LIMITED | | Live |
| Diamond Unicorn Limited | Private company limited by shares | Live |
| UNITED DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND VALUE LIMITED | Private company limited by shares | Dissolved |
| Vanadium Diamond Limited | Private company limited by shares | Live |
| VAST DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND VEHICLES COMPANY LIMITED | Private company limited by shares | Dissolved |
| VENDOR DIAMOND CO. LIMITED | Private company limited by shares | Dissolved |
| VERMORE DIAMOND LIMITED | | Live |
| DIAMOND VIEW COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND VIEW LIMITED | Private company limited by shares | Live |
| DIAMOND VIEW LIMITED | | Live |
| DIAMOND VISION LIMITED | Private company limited by shares | Dissolved |
| DIAMOND VISION LIMITED | Private company limited by shares | Live |
| DIAMOND VISION LIMITED | | Live |
| VIVID VIEW DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY DIAMOND WATCH COMPANY LIMITED | | Live |
| ELLE DIAMOND WATCH LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WAVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAYNIE DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WEALTH LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WEALTH LIMITED | Private company limited by shares | Live |
| WEALTH DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND WEALTH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WEALTHY DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND WEALTHY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WEALTHY LIMITED | Private company limited by shares | Live |
| DIAMOND WEAR LIMITED | Private company limited by shares | Live |