| Diamond Developing Limited | Private company limited by shares | Live |
| DIAMOND SKY DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| Difeee Diamond Company Limited | Private company limited by shares | Live |
| DIAMOND DIGITAL LIMITED | Private company limited by shares | Live |
| Digital Diamond Limited | Private company limited by shares | Live |
| DIMINCO JINGHUA DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DINK DIAMOND LIMITED | Private company limited by shares | Live |
| LEO DIAMOND DISTRIBUTORS LIMITED | Private company limited by shares | Live |
| DIAMOND DOOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DORSETT DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DOVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DE DRAGON LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DRAGON LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DRAGON LIMITED | Private company limited by shares | Live |
| DRAGON DIAMOND LIMITED | Private company limited by shares | Live |
| DREAM DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND DREAM LIMITED | Private company limited by shares | Live |
| DIAMOND DREAM LIMITED | | Live |
| SILVER DIAMOND DREAM LIMITED | | Live |
| Dreameteor Diamond Limited | Private company limited by shares | Dissolved |
| DIAMOND DRIVE LIMITED | Private company limited by shares | Live |
| Diamond Duck Limited | Private company limited by shares | Live |
| DUNIA DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| DYNAMIC DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND DYNASTY LIMITED | Private company limited by shares | Live |
| EAST DIAMOND LIMITED | Private company limited by shares | Live |
| EAST DIAMOND LIMITED | | Live |
| EAST DIAMOND SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| EAST COAST DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| EAST DIAMOND HONG KONG LIMITED | | Live |
| EASY WIN DIAMOND LIMITED | Private company limited by shares | Dissolved |
| EASY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| Best Diamond eCommerce Limited | Private company limited by shares | Live |
| EDELMAN DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Education Int Limited | Private company limited by shares | Live |
| Diamond Hill Education Limited | Private company limited by shares | Live |
| Diamond Monkey Education Limited | Private company limited by shares | Live |
| Eight & Diamond Limited | Private company limited by shares | Live |
| ELDORADO DIAMOND COLLECTION LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ELECTRONIC MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ELITE LIMITED | Private company limited by shares | Live |
| ELITE DIAMOND LIMITED | Private company limited by shares | Live |
| ELITE DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Elite Solutions Limited | Private company limited by shares | Live |
| DIAMOND EMPEROR LIMITED | Private company limited by shares | Dissolved |
| ENCHANTING DIAMOND LIMITED | Private company limited by shares | Live |
| ENGLAND DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| ENHANCING DIAMOND LIMITED | Private company limited by shares | Dissolved |
| SKY DIAMOND ENTERPRISE LIMITED | Private company limited by shares | Live |
| DIAMOND SKY ENTERPRISE LIMITED | Private company limited by shares | Live |
| DIAMOND WAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIAMOND REX ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIAMOND ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIAMOND WIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIAMOND ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Eros Diamond Limited | Private company limited by shares | Dissolved |
| DIAMOND SKY ESTATE LIMITED | Private company limited by shares | Live |
| ETERNAL DIAMOND LIMITED | Private company limited by shares | Dissolved |
| ETERNAL DIAMOND INVESTMENT LIMITED | Private company limited by shares | Live |
| Eternite Diamond and Jewellery Company Limited | Private company limited by shares | Live |
| EVER DIAMOND LIMITED | Private company limited by shares | Live |
| EVER BEST DIAMOND LIMITED | Private company limited by shares | Dissolved |
| EVER DIAMOND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EXCEL DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND FABRIC PRINTERS LIMITED | Private company limited by shares | Dissolved |
| DIAMOND NOODLE FACTORY COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND FAIR COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND FAME LIMITED | Private company limited by shares | Dissolved |
| DIAMOND FAME LIMITED | Private company limited by shares | Live |
| FAME DIAMOND LIMITED | Private company limited by shares | Live |
| FAME DIAMOND LIMITED | Private company limited by shares | Live |
| FANCY DIAMOND LIMITED | Private company limited by shares | Live |
| FAREAST DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND BACK FASHION COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND DRAGON FASHION LIMITED | Private company limited by shares | Live |
| FAST DIAMOND LIMITED | Private company limited by shares | Dissolved |
| FAST DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND FINANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND FINANCE LIMITED | Private company limited by shares | Live |
| DIAMOND FINANCIAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| FINE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND FINE LIMITED | Private company limited by shares | Live |
| FINE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| FINE DIAMOND CENTRE LIMITED | Private company limited by shares | Dissolved |
| FINE DIAMOND DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| FINE DIAMOND INVESTMENT LIMITED | Private company limited by shares | Live |
| FINE DIAMOND JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| BEAUTY FINE DIAMOND JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| JonF Fine Diamond Jewellery Limited | Private company limited by shares | Live |
| Firestar Diamond Limited | Private company limited by shares | Live |
| DIAMOND FIRST COMPANY LIMITED | Private company limited by shares | Dissolved |
| First Diamond Limited | Private company limited by shares | Live |
| DIAMOND FIVE HOLDING LIMITED | Private company limited by shares | Live |
| FLAMINGO DIAMOND LIMITED | Private company limited by shares | Live |
| FLANDERS DIAMOND (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Pro Flash Diamond Jewellery Limited | Private company limited by shares | Live |
| DIAMOND FLOW LIMITED | Private company limited by shares | Live |
| DIAMOND FLOWER LIMITED | Private company limited by shares | Dissolved |