| BLACK DIAMOND KIT CLOTHE LIMITED | Private company limited by shares | Live |
| Black Diamond Heliaero Limited | | Live |
| Black Diamond Holding Limited | Private company limited by shares | Live |
| Black Diamond Investment Limited | Private company limited by shares | Live |
| BLING FAMILY DIAMOND & WATCH COMPANY LIMITED | Private company limited by shares | Live |
| Blink Diamond Limited | Private company limited by shares | Live |
| DIAMOND BLOOM COMPANY LIMITED | Private company limited by shares | Live |
| BLUEFINE DIAMOND JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| BOGATA DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND BOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND BOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND BOOTH LIMITED | Private company limited by shares | Live |
| BOUNTIFUL DIAMOND LIMITED | Private company limited by shares | Live |
| BOWAY DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND BRAVE LIMITED | Private company limited by shares | Live |
| DIAMOND BRAVE LIMITED | Private company limited by shares | Live |
| BRIGHTON DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND BROOKS LIMITED | Private company limited by shares | Dissolved |
| DIAMOND BROTHERS LIMITED | Private company limited by shares | Dissolved |
| Diamond Brothers HK Limited | | Live |
| BUILD DIAMOND PROPERTIES LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Jun-1998 |
| DIAMOND BUSINESS LIMITED | | Live |
| DIAMOND CAPITAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CAPITAL LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SKY CAPITAL LIMITED | Private company limited by shares | Live |
| Diamond Dragon Capital Limited | Private company limited by shares | Live |
| Diamond Catering Limited | Private company limited by shares | Live |
| CATHYPAUL DIAMOND LIMITED | Private company limited by shares | Live |
| CELESTIAL DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND CENTER COMPANY LIMITED | Private company limited by shares | Live |
| ASIA DIAMOND EXCHANGE CENTRE LIMITED | Private company limited by shares | Live |
| DIAMOND CENTURY LIMITED | Private company limited by shares | Live |
| CENTURY DIAMOND LIMITED | Private company limited by shares | Live |
| CHAMP DIAMOND LIMITED | Private company limited by shares | Dissolved |
| CHAMP DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND CHAMPION LIMITED | Private company limited by shares | Live |
| CHAMPION DIAMOND LIMITED | Private company limited by shares | Live |
| CHAMPION DIAMOND INVESTMENT LIMITED | Private company limited by shares | Live |
| DIAMOND CHANNEL LIMITED | Private company limited by shares | Dissolved |
| CHAN'S DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| CHARM DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND CHARM LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CHARM LIMITED | Private company limited by shares | Live |
| DIAMOND CHARM LIMITED | Private company limited by shares | Live |
| DIAMOND CHESS FINANCE LIMITED | Private company limited by shares | Dissolved |
| CHINA DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND (CHINA) LIMITED | Private company limited by shares | Live |
| China VVS Diamond Limited | Private company limited by shares | Live |
| CHINA DIAMOND INVESTMENT LIMITED | Private company limited by shares | Live |
| China Diamond Prince Limited | Private company limited by shares | Live |
| South China Diamond Co. Limited | Private company limited by shares | Dissolved |
| DIAMOND RESTAURANT (SOUTH CHINA) LIMITED | Private company limited by shares | Live |
| DIAMOND CHOICE LIMITED | Private company limited by shares | Live |
| WINNING CHONG DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CIRCUS LIMITED | Private company limited by shares | Live |
| CIRO DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CLASS LIMITED | Private company limited by shares | Dissolved |
| Diamond Class Experience Limited | Private company limited by shares | Live |
| CLASSIC DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND CLIFF LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CLOTHING COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND CLOTHING (CWB) COMPANY LIMITED | Private company limited by shares | Dissolved |
| PCK DIAMOND CO., LIMITED | Private company limited by shares | Dissolved |
| DIM DIAMOND CO., LIMITED | Private company limited by shares | Live |
| HK ZL DIAMOND CO., LIMITED | Private company limited by shares | Live |
| DIAMOND LI CO., LIMITED | Private company limited by shares | Live |
| DIAMOND 929 CO., LIMITED | Private company limited by shares | Live |
| MDF DIAMOND CO., LIMITED | Private company limited by shares | Live |
| Artmeta Diamond Co., Limited | | Live |
| DIAMOND OF ASIA CO., LIMITED | Private company limited by shares | Live |
| Eros Diamond (Asia) Co., Limited | Private company limited by shares | Dissolved |
| BRILLIANCE DIAMOND Co., Limited | | Live |
| BELGIUM DIAMOND CULTURE PROMOTION CENTER CO., LIMITED | Private company limited by shares | Live |
| DIAMOND CRESCENT CO., LIMITED | | Live |
| DIAMOND INTERNATIONAL (HK) DAILY CHEMICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DIAMOND DOME TRADE CO., LIMITED | Private company limited by shares | Live |
| DIAMOND FALL CO., LIMITED | Private company limited by shares | Live |
| China Gold Silver Diamond International Co., Limited | Private company limited by shares | Live |
| HAMBURG DIAMOND CO., LIMITED | Private company limited by shares | Dissolved |
| HENAN LILIANG DIAMOND CO., LIMITED | | Live |
| LASTING DIAMOND (HK)TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG ARROW DIAMOND SANITARY WARE CO., LIMITED | Private company limited by shares | Live |
| HongKong Only For Love diamond customization Co., Limited | Private company limited by shares | Live |
| NEW DIAMOND IMP&EXP CO., LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ELECTRONIC (HK) RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| DIAMOND SKY INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| JACK DIAMOND CO., LIMITED | Private company limited by shares | Live |
| Bless Diamond Jewelry (HK) Design Co., Limited | Private company limited by shares | Live |
| China Gold & SILVER DIAMOND & Jewelry International Co., Limited | Private company limited by shares | Live |
| HONGKONG 360C INTERNATIONAL DIAMOND JEWELRY CO., LIMITED | Private company limited by shares | Dissolved |
| SIMU DIAMOND JEWELRY CO., LIMITED | Private company limited by shares | Live |
| Diamond Ocean Co., Limited | Private company limited by shares | Dissolved |
| PARIS ETERNAL DIAMOND (INTERNATIONAL) FASHION CO., LIMITED | Private company limited by shares | Dissolved |
| QINGDAO DIAMOND CO., LIMITED | Private company limited by shares | Live |
| RICHYOO DIAMOND CO., LIMITED | Private company limited by shares | Live |
| Sanyi Diamond Co., Limited | Private company limited by shares | Live |
| DIAMOND CONCORD SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| Diamond Wisdom Co., Limited | | Live |
| HK ZHOU LIU FU GOLD DIAMOND JEWELRY GROUP CO., LIMITED | Private company limited by shares | Live |
| QUAN ZHOU SANDDY DIAMOND TOOLS CO., LIMITED | Private company limited by shares | Live |