| I DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND & GEM CO LIMITED | Private company limited by shares | Live |
| MAX DIAMOND LIMITED | Private company limited by shares | Live Commenced dormancy on 06-Dec-2011 |
| ALL DIAMOND LIMITED | Private company limited by shares | Dissolved |
| JOY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| SIU FAI DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LAM LIMITED | Private company limited by shares | Live |
| KK DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND ART LIMITED | Private company limited by shares | Live |
| KC DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| NEM DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WAY LIMITED | Private company limited by shares | Dissolved |
| MH DIAMOND LIMITED | Private company limited by shares | Live |
| J & R DIAMOND LIMITED | Private company limited by shares | Dissolved |
| Mr. Diamond Limited | Private company limited by shares | Live |
| MY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| TOP DIAMOND LIMITED | Private company limited by shares | Live |
| WIN DIAMOND LIMITED | Private company limited by shares | Live |
| EP DIAMOND LIMITED | Private company limited by shares | Live |
| FAI PO DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND 1 LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ACE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND VL LIMITED | Private company limited by shares | Dissolved |
| NEW DIAMOND LIMITED | Private company limited by shares | Live |
| ACE DIAMOND CO. LIMITED | Private company limited by shares | Dissolved |
| Art of Diamond Limited | Private company limited by shares | Dissolved |
| Y&M DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| AAA Diamond Limited | Private company limited by shares | Dissolved |
| K. Y. Diamond Limited | Private company limited by shares | Live |
| JHK DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND PRO LIMITED | Private company limited by shares | Live |
| DIAMOND OF DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Box Limited | Private company limited by shares | Live |
| DIAMOND ERA LIMITED | Private company limited by shares | Live |
| SLK Diamond Limited | Private company limited by shares | Live |
| Oro Diamond Company Limited | Private company limited by shares | Live |
| One Diamond Limited | Private company limited by shares | Live |
| M2 DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| BUY DIAMOND LIMITED | Private company limited by shares | Live |
| JOY DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond RC JET Limited | Private company limited by shares | Live |
| DIAMOND 8 CO. LIMITED | Private company limited by shares | Live |
| SY DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND RAY LIMITED | Private company limited by shares | Live |
| VP DIAMOND LIMITED | Private company limited by shares | Live |
| S & S DIAMOND LIMITED | Private company limited by shares | Live |
| PAN DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND JOY LIMITED | Private company limited by shares | Live |
| EST DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND GY LIMITED | Private company limited by shares | Dissolved |
| Diamond 5C Limited | Private company limited by shares | Live |
| ECO DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND IN THE BOX LIMITED | Private company limited by shares | Dissolved |
| RIO DIAMOND LIMITED | Private company limited by shares | Live |
| SEA DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND SEA LIMITED | Private company limited by shares | Live |
| RMK DIAMOND LIMITED | Private company limited by shares | Live |
| BKC DIAMOND LIMITED | Private company limited by shares | Live |
| SKY DIAMOND LIMITED | Private company limited by shares | Live |
| VIP DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND AIM LIMITED | Private company limited by shares | Live |
| DIAMOND WAY LIMITED | Private company limited by shares | Live Commenced dormancy on 06-May-2016 |
| ATL Diamond Limited | Private company limited by shares | Live |
| GEF DIAMOND LIMITED | Private company limited by shares | Live |
| WD Diamond Limited | Private company limited by shares | Live |
| Diamond To Buy Limited | Private company limited by shares | Live |
| Diamond Age Limited | Private company limited by shares | Live |
| DIAMOND TOP LIMITED | Private company limited by shares | Live |
| DIAMOND ONE HK CO LIMITED | Private company limited by shares | Live |
| DIAMOND ACE LIMITED | Private company limited by shares | Live |
| A Diamond Limited | Private company limited by shares | Live |
| V & S DIAMOND LIMITED | Private company limited by shares | Live |
| CVD DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond ICQ Limited | Private company limited by shares | Live |
| DIAMOND MAX LIMITED | Private company limited by shares | Live |
| DIAMOND INC LIMITED | Private company limited by shares | Live |
| Diamond Jet Limited | Private company limited by shares | Live |
| DIAMOND ONE LIMITED | Private company limited by shares | Live |
| DIAMOND SEA LIMITED | Private company limited by shares | Live |
| MAX DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Mia Limited | Private company limited by shares | Live |
| 520 Diamond Limited | Private company limited by shares | Live |
| CVD DIAMOND USA LIMITED | Private company limited by shares | Live |
| H&A Diamond Limited | Private company limited by shares | Live |
| DIAMOND SKY LIMITED | Private company limited by shares | Live |
| Diamond Hut Limited | Private company limited by shares | Live |
| NEW DIAMOND LIMITED | Private company limited by shares | Live |
| ADD DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Gem Limited | Private company limited by shares | Live |
| S.T DIAMOND LIMITED | Private company limited by shares | Live |
| DI DEN DIAMOND LIMITED | | Live |
| A&H DIAMOND LIMITED | | Live |
| Art & Diamond Co. Limited | | Live |
| DIAMOND X LIMITED | | Live |
| SA Diamond Company Limited | | Live |
| One Diamond Company Limited | | Live |
| YW DIAMOND LIMITED | | Live |
| D.D DIAMOND COMPANY LIMITED | | Live |
| DIAMOND MAX LIMITED | | Live |
| ALL DIAMOND LIMITED | | Live |