| 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 |
| USA DIAMOND COATING LIMITED | Private company limited by shares | Live |
| DIAMOND COIN LIMITED | Private company limited by shares | Dissolved |
| DIAMOND COLLECTION LIMITED | Private company limited by shares | Live |
| R. COLLECTION DIAMOND LIMITED | Private company limited by shares | Live |
| SHIN'S DIAMOND COLLECTION COMPANY LIMITED | Private company limited by shares | Live |
| FIRST CONCEPT DIAMOND LIMITED | Private company limited by shares | Live |
| CONCORD DIAMOND LIMITED | Private company limited by shares | Live |
| CONTI DIAMOND LIMITED | Private company limited by shares | Live |
| COOL DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND COOPERATION LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CORONET LIMITED | Private company limited by shares | Live |
| JM DIAMOND CORP. LIMITED | Private company limited by shares | Live |
| DIAMOND CREATION LIMITED | Private company limited by shares | Live |
| CREATIVE DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Creative Company Limited | Private company limited by shares | Live |
| DIAMOND CREEK INVESTMENTS LIMITED | Private company limited by shares | Live |
| DIAMOND CREST LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CROWN LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CROWN LIMITED | Private company limited by shares | Live |
| CROWN DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND CROWN INVESTMENT LIMITED | Private company limited by shares | Live |
| DIAMOND CROWN RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND CROWN TRADE LIMITED | Private company limited by shares | Live |
| CYGNI LAB DIAMOND LIMITED | | Live |
| DAERMANS DIAMOND (HONG KONG) LIMITED | Private company limited by shares | Live |
| DAIICHI DIAMOND JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DEALERS HK LIMITED | Private company limited by shares | Live |
| DEEP DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DEESAN DIAMOND LIMITED | Private company limited by shares | Live |
| DELUXE DIAMOND LIMITED | | Live |
| DIAMOND DESIGN LIMITED | Private company limited by shares | Live |
| K DIAMOND DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| GOLD & DIAMOND JEWELLERY DESIGN LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DESIGN JEWELRY CO. LIMITED | Private company limited by shares | Live |
| DIAMOND VIEW DESIGN COMPANY LIMITED | Private company limited by shares | Live |