Government Certified Purity
Understanding BIS 916 Gold Hallmarking
Why BIS Hallmark certification guarantees 91.6% pure gold in every ornament crafted at Topco Zamzam Jewellery.
What is BIS Hallmarking?
The Bureau of Indian Standards (BIS) hallmark is an official mark stamped on gold jewellery in India to certify its purity and fineness. For 35 years, Topco Zamzam Jewellery has operated with 100% adherence to government hallmarking protocols, ensuring every customer receives genuine value for their gold investment.
The 3 Key Components of a BIS Hallmark
1. BIS Logo
The triangular logo certifying official testing by authorized Assaying & Hallmarking Centers.
2. Purity Grade (916)
22K Gold corresponds to 916 fineness (91.6% pure gold alloyed for strength).
3. 6-Digit HUID Code
A unique alphanumeric Hallmarking Unique ID verifiable via the BIS Care mobile app.