| KAREY DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND (HOP KEE) DYEING & BLEACHING FACTORY LIMITED | Private company limited by shares | Dissolved |
| KELLAN DIAMOND LIMITED | Private company limited by shares | Dissolved |
| KIMBERLEY DIAMOND LIMITED | Private company limited by shares | Live |
| KODIAK DIAMOND LIMITED | Private company limited by shares | Dissolved |
| KONG DIAMOND LIMITED | Private company limited by shares | Dissolved |
| KWAI YU DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LABEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LABO LIMITED | Private company limited by shares | Live |
| DIAMOND LAKE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LAKE COMPANY LIMITED | Private company limited by shares | Live |
| DIAMOND LAMPS LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LAND LIMITED | Private company limited by shares | Live |
| DIAMOND LAND LIMITED | | Live |
| LANTON DIAMOND LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Sep-1998 |
| DIAMOND LEADER LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LEAF LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LEAF INVESTMENTS LIMITED | Private company limited by shares | Live |
| LEEDS DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| Legend Diamond Limited | Private company limited by shares | Live |
| Diamond Legend Limited | Private company limited by shares | Live |
| WOO LEUNG LEE DIAMOND COMPANY, LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LIBERTY LIMITED | | Live |
| DIAMOND LIBRARY LIMITED -THE- | Private company limited by shares | Live |
| Lichen Diamond Limited | Private company limited by shares | Live |
| DIAMOND LINK LIMITED | Private company limited by shares | Dissolved |
| DIAMOND LINK LIMITED | Private company limited by shares | Live |
| DIAMOND LINK ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIAMOND LINKAGE LIMITED | Private company limited by shares | Live |
| LINPO DIAMOND TECH LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Jul-2009 |
| Diamond Logistic Company Limited | Private company limited by shares | Live |
| LONDON DIAMOND GALLERY LIMITED | Private company limited by shares | Dissolved |
| LONDON DIAMOND GALLERY LIMITED | Private company limited by shares | Live |
| LONG DIAMOND LIMITED | Private company limited by shares | Dissolved |
| LONGER DIAMOND LIMITED | Private company limited by shares | Dissolved |
| LONGFONG DIAMOND LIMITED | Private company limited by shares | Live |
| Diamond Looper Limited | Private company limited by shares | Live |
| LOPEZ DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| LOVE DIAMOND COMPANY LIMITED -THE- | Private company limited by shares | Live |
| ALL LOVE DIAMOND LIMITED | Private company limited by shares | Live |
| HK Diamond Love Jewelry Limited | Private company limited by shares | Live |
| LOVELY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| LOVEMARK DIAMOND LIMITED | Private company limited by shares | Live |
| LSLH DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND LUCK LIMITED | Private company limited by shares | Live |
| LUCKY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| LUCKY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| LUCKY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| LUCKY DIAMOND LIMITED | Private company limited by shares | Live |
| LUCKY DIAMOND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LUCS DIAMOND LIMITED | Private company limited by shares | Live |
| LUNG FOOK JEWELLERY DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| CHINA BLACK DIAMOND PROPERTY INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| Mansan Diamond Limited | Private company limited by shares | Live |
| DIAMOND TOY MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| S N DIAMOND MANUFACTURING LIMITED | Private company limited by shares | Live |
| SYNDICATE DIAMOND MANUFACTURING LIMITED | Private company limited by shares | Live |
| March Diamond Limited | Private company limited by shares | Live |
| MARCO LEE DIAMOND TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND MARINE COMPANY LIMITED | Private company limited by shares | Live |
| Grand Diamond Maritime Company Limited | Private company limited by shares | Dissolved |
| MAPLE DIAMOND MARITIME LIMITED | Private company limited by shares | Live |
| Marjorie Diamond Company Limited | Private company limited by shares | Dissolved |
| DIAMOND MARK COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND MARK LIMITED | Private company limited by shares | Live |
| MARK WIN DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND MARKET LIMITED | Private company limited by shares | Live |
| Diamond Asset Markets Limited | Private company limited by shares | Live |
| MARQUISE DIAMOND LIMITED | Private company limited by shares | Live |
| Massive Diamond HK Limited | Private company limited by shares | Live |
| MASTER DIAMOND LIMITED | Private company limited by shares | Dissolved |
| MASTER DIAMOND LIMITED | Private company limited by shares | Dissolved |
| DIAMOND MASTER LIMITED | Private company limited by shares | Live |
| MASTER DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND MASTER LIMITED | Private company limited by shares | Live |
| DIAMOND MASTER LIMITED | Private company limited by shares | Live |
| DIAMOND MASTER JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| MATIS DIAMOND LIMITED | Private company limited by shares | Live |
| MATSUYA DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| MEGA DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND MEGA LIMITED | Private company limited by shares | Dissolved |
| Diamond RC Melik Limited | Private company limited by shares | Live |
| DIAMOND MEMORY LIMITED | Private company limited by shares | Live |
| MIDNIGHT SUN DIAMOND CRAFTS LIMITED | Private company limited by shares | Dissolved |
| MIGHTY DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND MILLENNIUM LIMITED | Private company limited by shares | Dissolved |
| MILLION DIAMOND LIMITED | Private company limited by shares | Dissolved |
| MILLION DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND MIND LIMITED | | Live |
| DIAMOND MINE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND MINE SPORTS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| GOLD MINE DIAMOND LIMITED | Private company limited by shares | Dissolved |
| GOLD MINE DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND MIRACLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIAMOND MIRACLE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MISS DIAMOND LIMITED | Private company limited by shares | Dissolved |
| MISSION DIAMOND LIMITED | Private company limited by shares | Live |
| MODERN DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| MODERN DIAMOND LIMITED | Private company limited by shares | Live |
| MODERN DIAMOND LIMITED | Private company limited by shares | Live |