| DIAMOND PARK LIMITED | Private company limited by shares | Live |
| DIAMOND PEACE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PEAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| PEAK DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PEAK LIMITED | Private company limited by shares | Live |
| DIAMOND PEAK INVESTMENTS LIMITED | Private company limited by shares | Live |
| PEARLOUNGE DIAMOND LIMITED | Private company limited by shares | Live |
| Peonia Diamond Company Limited | Private company limited by shares | Live |
| 100 Percent Diamond Limited | Private company limited by shares | Live |
| Diamond Perfection Limited | Private company limited by shares | Live |
| DIAMOND FRUITS PERU LIMITED | Private company limited by shares | Live |
| PETRO DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| PETRO DIAMOND SHIPPING AND TRADING LIMITED | Private company limited by shares | Live |
| Phoenix Diamond Limited | Private company limited by shares | Live |
| DIAMOND PLACE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PLACE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PLACE LIMITED | Private company limited by shares | Live |
| DIAMOND PLAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PLAN LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PLAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PLATEAU LIMITED | Private company limited by shares | Dissolved |
| THE WHOLE WORLD DIAMOND TRADING PLATFORM (HK) LIMITED | | Live |
| DIAMOND PLUS LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PLUS LIMITED | Private company limited by shares | Live |
| Diamond Plus Diamond Jewellery Co. Limited | Private company limited by shares | Live |
| DIAMOND POINT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND POINT LIMITED | Private company limited by shares | Dissolved |
| Pontus Diamond Limited | Private company limited by shares | Live |
| DIAMOND POOL LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PORT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| POWER DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND POWER LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Mar-2014 |
| POWER DIAMOND LIMITED | | Live |
| Motive Power Education Centre (Diamond Hill) Limited | Private company limited by shares | Live |
| PREMIER DIAMOND & JEWELLERY LIMITED | Private company limited by shares | Live |
| Premier Diamond Trading Limited | Private company limited by shares | Dissolved |
| Diamond Premium Limited | Private company limited by shares | Live |
| PRESTIGE DIAMOND WATCH LIMITED | Private company limited by shares | Live |
| PRETTY DIAMOND LIMITED | Private company limited by shares | Live |
| PRINCE DIAMOND WEDDING SERVICE LIMITED | Private company limited by shares | Dissolved |
| PRINCE88 DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND PRINCESS COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND SKY PRIVATE LIMITED | Private company limited by shares | Live |
| Diamond Pr.Limited | Private company limited by shares | Live |
| ASIAN DIAMOND PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND PROMISE LIMITED | Private company limited by shares | Live |
| PROMISING DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND PROPERTIES LIMITED | Private company limited by shares | Live |
| DIAMOND VIEW PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Diamond Power Proprietary Limited | Private company limited by shares | Live |
| DIAMOND PUBLICATIONS LIMITED | Private company limited by shares | Dissolved |
| Diamond Sky Publishing Limited | Private company limited by shares | Dissolved |
| PURE DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Pure Diamond Limited | Private company limited by shares | Live |
| DIAMOND QUALITY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Mar-1996 |
| QUALITY DIAMOND LIMITED | Private company limited by shares | Live |
| QUALITY RT DIAMOND LIMITED | | Live |
| QUEEN DIAMOND HK LIMITED | Private company limited by shares | Live |
| My Queen Diamond Limited | Private company limited by shares | Live |
| QUEEN DIAMOND LIMITED | Private company limited by shares | Live |
| Queenie Diamond Limited | Private company limited by shares | Dissolved |
| RAIN DIAMOND LIMITED | Private company limited by shares | Dissolved |
| Diamond Rays HK Limited | Private company limited by shares | Live |
| Star Rays Diamond HK Limited | Private company limited by shares | Live |
| DIAMOND REALM INVESTMENTS LIMITED | Private company limited by shares | Live |
| REDBRIDGE DIAMOND INVESTMENTS LIMITED | | Live |
| Diamond Registry Limited | Private company limited by shares | Live |
| DIAMOND REPUBLIC LIMITED | Private company limited by shares | Dissolved |
| DIAMOND RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Diamond Resources Limited | Private company limited by shares | Live |
| DIAMOND RESTAURANT LIMITED | Private company limited by shares | Live |
| NEW DIAMOND RESTAURANT LIMITED | Private company limited by shares | Live |
| DIAMOND INN RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| New Diamond Restaurant Limited | Private company limited by shares | Live |
| DIAMOND HILL HSIN KUANG SEAFOOD RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND RIBBON LIMITED | | Live |
| DIAMOND RICH LIMITED | Private company limited by shares | Live |
| RICH DIAMOND LIMITED | Private company limited by shares | Dissolved |
| RICH DIAMOND LIMITED | Private company limited by shares | Live |
| RICHARD DIAMOND HK LIMITED | Private company limited by shares | Live |
| RISE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND RIVER COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROAD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROCK LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROCK LIMITED | Private company limited by shares | Live |
| DIAMOND ROLL LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROME LIMITED | Private company limited by shares | Live |
| Rosarian Diamond Co., Limited | Private company limited by shares | Live |
| Rosemary Diamond Jewellery Limited | | Live |
| ROYAL DIAMOND CUTTERS LIMITED | Private company limited by shares | Live |
| ROYAL DIAMOND JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| ROYCE DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| RUBY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| Ruby Diamond Limited | Private company limited by shares | Dissolved |
| H. H. DIAMOND SALES LIMITED | Private company limited by shares | Live |
| Diamond Saving (H.K) Jewelry Investment Holdings Limited | Private company limited by shares | Live |
| DIAMOND SCORE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SEAL LIMITED | Private company limited by shares | Live |
| DIAMOND SEED LIMITED | Private company limited by shares | Dissolved |