| DIAMOND WELL LIMITED | Private company limited by shares | Dissolved |
| WELL DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND WELL LIMITED | Private company limited by shares | Live |
| DIAMOND WELL LIMITED | Private company limited by shares | Live |
| WELL DIAMOND ENTERPRISES LIMITED | Private company limited by shares | Live |
| WELL DIAMOND INVESTMENT LIMITED | Private company limited by shares | Live |
| Whynot Diamond Limited | | Live |
| WILLIAM'S DIAMOND COMPANY, LIMITED | Private company limited by shares | Live |
| DIAMOND WIND COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING WAH DIAMOND COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WING & DIAMOND LIMITED | Private company limited by shares | Live |
| WINSOME DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WISE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WONDER LIMITED | Private company limited by shares | Dissolved |
| WONDERFUL DIAMOND LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jul-1993 |
| Diamond Word Service Limited | | Live |
| NEW WORLDTRADE DIAMOND CO. LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WORTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND WORTH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND YEAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND YEAR LIMITED | Private company limited by shares | Live |
| YELLOW DIAMOND LIMITED | Private company limited by shares | Live |
| Yellow Diamond Company Limited | Private company limited by shares | Live |
| DIAMOND YIELD LIMITED | Private company limited by shares | Live |
| YIELD DIAMOND LIMITED | | Live |
| Angel Lee Yoga (Diamond Hill) Company Limited | | Live |
| YOUNG'S DIAMOND FACTORY LIMITED | Private company limited by shares | Live |
| YOUR DIAMOND JEWELLERY LIMITED | Private company limited by shares | Live |
| Angel Yuan Diamond Jewellery Company Limited | Private company limited by shares | Live |
| YULLY'S DIAMOND LIMITED | Private company limited by shares | Dissolved |
| YUNG'S DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND ZONE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ZONE LIMITED | Private company limited by shares | Live |
| Chill Zone Diamond Limited | Private company limited by shares | Live |
| DIAMOND24 LIMITED | Private company limited by shares | Live |
| DIAMONDATION LIMITED | Private company limited by shares | Dissolved |
| DIAMOND-AXIS LIMITED | Private company limited by shares | Dissolved |
| DIAMONDBRIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| DIAMONDCAST THEATRE PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| DIAMONDCODE LIMITED | Private company limited by shares | Dissolved |
| DIAMONDCORP LIMITED | Private company limited by shares | Dissolved |
| DiamondDaze Company Limited | | Live |
| DIAMONDFIT LIMITED | Private company limited by shares | Live |
| DIAMONDFLOOR.COM LIMITED | Private company limited by shares | Dissolved |
| DIAMONDHAVEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMONDHAWK HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| DIAMONDHIDE LIMITED | Private company limited by shares | Live |
| DIAMOND-HOLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Dongguan Diamondink Printers Consumables Limited | Private company limited by shares | Live |
| DIAMOND-INTERSALE LIMITED | Private company limited by shares | Dissolved |
| DIAMONDKEY LIMITED | Private company limited by shares | Live |
| DIAMONDLA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMONDLITE LIMITED | Private company limited by shares | Live |
| DIAMONDLITE JEWELRY COMPANY LIMITED | Private company limited by shares | Live |
| DIAMONDLY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMONDMARK INVESTMENTS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| DIAMONDMILE INVESTMENT LIMITED | Private company limited by shares | Live |
| DIAMONDMINE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMONDOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMONDOOR JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| DIAMONDOPTION LIMITED | Private company limited by shares | Dissolved |
| DIAMONDORDER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| DIAMOND-PLEX LIMITED | Private company limited by shares | Dissolved |
| DIAMONDRIDERS LIMITED -THE- | Private company limited by shares | Dissolved |
| Diamondrock Investment Limited | Private company limited by shares | Live |
| KAM PAK LAI DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| M. S. DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| TY DIAMONDS COMPANY LIMITED | Private company limited by shares | Dissolved |
| RON DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| AVI DIAMONDS COMPANY LIMITED | Private company limited by shares | Dissolved |
| E. P. DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| MAN LEE DIAMONDS COMPANY LIMITED | Private company limited by shares | Live |
| DGM DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| A & G DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| DHJ DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| DIAMONDS LIMITED | Private company limited by shares | Live |
| AA DIAMONDS COMPANY LIMITED | Private company limited by shares | Dissolved |
| K. J. DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| ADS DIAMONDS LIMITED | Private company limited by shares | Live |
| ELS Diamonds Limited | Private company limited by shares | Live |
| TKT DIAMONDS LIMITED | Private company limited by shares | Live |
| G.Y DIAMONDS HK LIMITED | Private company limited by shares | Live |
| B&H DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| E. Y. Diamonds Limited | Private company limited by shares | Dissolved |
| HK Diamonds Limited | Private company limited by shares | Live |
| TNR DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| RUI TAI DIAMONDS LIMITED | Private company limited by shares | Live |
| JM DIAMONDS LIMITED | Private company limited by shares | Live |
| LC DIAMONDS LIMITED | Private company limited by shares | Live |
| DIAMONDS SUN LIMITED | Private company limited by shares | Live |
| S. R. DIAMONDS LIMITED | Private company limited by shares | Live |
| IN DIAMONDS LIMITED | Private company limited by shares | Live |
| RPV DIAMONDS LIMITED | Private company limited by shares | Live |
| VG DIAMONDS LIMITED | Private company limited by shares | Live |
| Hoi Sum Diamonds Limited | Private company limited by shares | Live |
| GSM DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| Mit Diamonds Limited | Private company limited by shares | Live |
| MDC Diamonds HK Limited | Private company limited by shares | Dissolved |
| CR DIAMONDS LIMITED | Private company limited by shares | Live |
| JAY DIAMONDS LIMITED | Private company limited by shares | Live |