Founded in 1979 as South Asia Diamond, started up a factory along Bendemeer Road in the heart of the Kallang Industrial Estate.

The company business involve importing stones from Africa and Belgium in their natural uncut form. At the factory, craftsmen will work on each of such them, perfecting the shape and brilliance. Thus, turning them from rough stones to exquisite gems. The diamonds are then distributed to local and foreign retail outlets.

South Asia Diamond rebranded in 1987 to CJ Diamonds and grew into the distinction of being part of the elite class of diamond factories in the world. Rivalling reputable diamond makers in cities such as Antwerp, Amsterdam and Tel Aviv. CJ Diamonds has been a household name since.