| DIAMOND REALM INVESTMENTS LIMITED | Private company limited by shares | Live |
| REDBRIDGE DIAMOND INVESTMENTS LIMITED | | Live |
| Diamond Registry Limited | Private company limited by shares | Live |
| DIAMOND REPUBLIC LIMITED | Private company limited by shares | Dissolved |
| DIAMOND RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Diamond Resources Limited | Private company limited by shares | Live |
| DIAMOND RESTAURANT LIMITED | Private company limited by shares | Live |
| NEW DIAMOND RESTAURANT LIMITED | Private company limited by shares | Live |
| DIAMOND INN RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| New Diamond Restaurant Limited | Private company limited by shares | Live |
| DIAMOND HILL HSIN KUANG SEAFOOD RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND RIBBON LIMITED | | Live |
| DIAMOND RICH LIMITED | Private company limited by shares | Live |
| RICH DIAMOND LIMITED | Private company limited by shares | Dissolved |
| RICH DIAMOND LIMITED | Private company limited by shares | Live |
| RICHARD DIAMOND HK LIMITED | Private company limited by shares | Live |
| RISE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND RIVER COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROAD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROCK LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROCK LIMITED | Private company limited by shares | Live |
| DIAMOND ROLL LIMITED | Private company limited by shares | Dissolved |
| DIAMOND ROME LIMITED | Private company limited by shares | Live |
| Rosarian Diamond Co., Limited | Private company limited by shares | Live |
| Rosemary Diamond Jewellery Limited | | Live |
| ROYAL DIAMOND CUTTERS LIMITED | Private company limited by shares | Live |
| ROYAL DIAMOND JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| ROYCE DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| RUBY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| Ruby Diamond Limited | Private company limited by shares | Dissolved |
| H. H. DIAMOND SALES LIMITED | Private company limited by shares | Live |
| Diamond Saving (H.K) Jewelry Investment Holdings Limited | Private company limited by shares | Live |
| DIAMOND SCORE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SEAL LIMITED | Private company limited by shares | Live |
| DIAMOND SEED LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SEEK LIMITED | | Live |
| YUE SENG DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SENSE LIMITED | Private company limited by shares | Live |
| Hongkong Keung Sang Sang Diamond Value-added Service Co. Limited | Private company limited by shares | Live |
| DIAMOND MAINTENANCE SERVICE PTY LIMITED | Private company limited by shares | Live |
| HK SEUL DIAMOND GROUP LIMITED | Private company limited by shares | Live |
| Shanghai Diamond Corp. Limited | Private company limited by shares | Live |
| SHANGHAI DIAMOND MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| Diamond Shaped Limited | Private company limited by shares | Live |
| DIAMOND SHARE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SHEEN DIAMOND LIMITED | Private company limited by shares | Live |
| SHINING DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| SHINY DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND SHINY LIMITED | Private company limited by shares | Live |
| DIAMOND SEA SHIPPING LIMITED | Private company limited by shares | Dissolved |
| AMP Diamond Shipping Limited | Private company limited by shares | Live |
| Diamond BBG Shipping Limited | Private company limited by shares | Live |
| Diamond Sea Shipping Limited | Private company limited by shares | Live |
| DIAMOND SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND SHIPPING LIMITED | | Live |
| Horizon Diamond Shipping Limited | Private company limited by shares | Live |
| OCEAN DIAMOND SHIPPING LIMITED | Private company limited by shares | Live |
| DIAMOND SHOES & HANDBAGS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU DIAMOND ROSE (H.K) SHOES INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Diamond Shoppe Limited -The- | Private company limited by shares | Live |
| DIAMOND SHOW LIMITED | | Live |
| DIAMOND SIGHT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SIGHT LIMITED | Private company limited by shares | Live |
| SILVER DIAMOND LIMITED | Private company limited by shares | Dissolved |
| SILVER DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SILVER LIMITED | Private company limited by shares | Dissolved |
| SILVER DIAMOND LIMITED | Private company limited by shares | Live |
| SILVER DIAMOND ENTERPRISES LIMITED | | Live |
| DIAMOND GOLD SILVER & REALTY LIMITED | Private company limited by shares | Dissolved |
| Smart Diamond Limited | Private company limited by shares | Live |
| DIAMOND SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| SOHO DIAMOND LIMITED | Private company limited by shares | Live |
| SOLE DIAMOND ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIAMOND SOLUTIONS LIMITED | Private company limited by shares | Live |
| SOUTH AFRICAN DIAMOND LIMITED | Private company limited by shares | Live |
| Spades Diamond Limited | Private company limited by shares | Live |
| DIAMOND SPARKLING LIMITED | Private company limited by shares | Live |
| SPECIAL DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND POWER SPECIALTY ASIA LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SPECTRUM LIMITED | Private company limited by shares | Live |
| DIAMOND SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SPIRIT LIMITED | Private company limited by shares | Live |
| SPLENDID DIAMOND LIMITED | Private company limited by shares | Live |
| Sporal Diamond Limited | | Live |
| SQUARE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND STAGE LIMITED | Private company limited by shares | Live |
| DIAMOND STANDARD LIMITED | | Live |
| DIAMOND STAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| STAR DIAMOND LIMITED | Private company limited by shares | Dissolved |
| STAR DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND STAR LIMITED | Private company limited by shares | Live |
| DIAMOND STAR CO. HK LIMITED | Private company limited by shares | Live |
| STAR DIAMOND LIMITED | Private company limited by shares | Dissolved |
| A STAR DIAMOND LIMITED | Private company limited by shares | Live |
| STAR DIAMOND LIMITED | Private company limited by shares | Live |
| STAR BLINK DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND STAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| Star Diamond Entertainment Limited | Private company limited by shares | Live |
| Diamond Star Event Limited | | Live |