SJC Diagold is luxury jewelry line, luxury, exquisite, finely crafted design, using materials of  14 k white gold, 18K gold, diamonds and other naturally precious stones with high purity. This product line was introduced at 10 SJC stores in Ho Chi Minh city, Nha Trang, Da Nang and Ha Noi.

SJC operates as a conglomerate, in which gold production, business and jewelry is decisive. SJC aims to expand markets in jewelry gold; establishment of gold distribution network, silver and precious stones in 61 provinces and cities in the whole country.