DIAMRUSA. The name for precious jewels Diamond, Ruby, Sapphire. Established in 1986 in Bangkok, Thailand it has captured the worldwide market as manufacturer of the jewelry Diamrusa’s name represents Diamond, Ruby and Sapphire, three most sparkling gems available in Thailand, Diamrusa’s designs display simplicity and originality presenting precious jewels in true harmony with colors and forms. Diamrusa Ltd. presents wide range of exclusive high end jewelry as well as everyday jewelry in commercial price ranges, Our collection includes unique modern designs, art deco styles, illusion set pieces and custom made designs.