| DIAMA FOLLY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| DIAMA TRADING LIMITED | Private company limited by shares | Live |
| DIA-MAB LIMITED | Private company limited by shares | Live |
| DIAMAC LIMITED | Private company limited by shares | Live |
| DIAMAND HOLDING LIMITED | | Live |
| DI-AMANDA LIMITED | Private company limited by shares | Live |
| Diamandino Limited | Private company limited by shares | Live |
| Diamania Jewelry Limited | Private company limited by shares | Live |
| DIAMANT LIMITED | Private company limited by shares | Live |
| DIAMANT EN SON LIMITED | Private company limited by shares | Live |
| DIAMANT COURONNE LIMITED | Private company limited by shares | Dissolved |
| Diamant La Diva Limited | | Live |
| LE DIAMANT JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| VIVIENNE DIAMANT LIMITED | Private company limited by shares | Live |
| DIAMANT WEBER LIMITED | Private company limited by shares | Dissolved |
| Top Diamantaire Limited | Private company limited by shares | Live |
| DIAMANTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMANTE HK LIMITED | Private company limited by shares | Dissolved |
| DIAMANTE LIMITED | Private company limited by shares | Live |
| EL DIAMANTE & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| DIAMANTE LIGHTING LIMITED | Private company limited by shares | Live |
| Diamantisse Investments Limited | Private company limited by shares | Dissolved |
| Diamantlab Limited | Private company limited by shares | Live |
| DIAMANTVALOR LIMITED | Private company limited by shares | Dissolved |
| DIAMART LIMITED | Private company limited by shares | Live |
| DIAMART (HK) LIMITED | Private company limited by shares | Live |
| Diamart Jewellery Limited | Private company limited by shares | Live |
| DIAMAS LIGHTING CO., LIMITED | Private company limited by shares | Live |
| DiaMatch (Hong Kong) Company Limited | Private company limited by shares | Live |
| Diamatrix Company Limited | Private company limited by shares | Live |
| DIAMAX LIMITED | Private company limited by shares | Dissolved |
| DIAMAX CO., LIMITED | Private company limited by shares | Live |
| Diamax Group Limited | Private company limited by shares | Live |
| Diamax Trading Limited | Private company limited by shares | Live |