The BIS Hallmark is a certification mark issued by the Bureau of Indian Standards (BIS), an organization under the Ministry of Consumer Affairs, Government of India. This hallmark signifies that the gold jewelry you are purchasing meets the specified standards of purity and quality.
GSI is an independent gemological organization that offers gemstone identification and grading services...
IGI is one of the largest independent gemological laboratories in the world...
SGL is an international diamond certification laboratory...