BIS Hallmark Guide
Understand BIS hallmarking and learn simple checks to verify authenticity.
What is BIS hallmark?
BIS hallmarking is a certification of purity for gold jewellery. Always check for the BIS logo, purity/karat mark and jeweller identification mark. Ask for a bill and keep it safely.
How to verify
- Check for hallmark on the jewellery (laser engraved).
- Match the purity mark (e.g., 22K / 916).
- Ask for a detailed invoice and certificate (if applicable).
- Buy from a trusted jeweller and keep the packaging/invoice.