HUID Verification Guide: How to Check BIS Hallmark Gold Online
Verifying the authenticity of your gold jewellery in India is now faster and easier with the 6-digit HUID code. Learn how to use the official BIS CARE app and online verification tools to protect your investment before leaving the jewellery store.
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Buying gold in India is far more than a financial transaction. Whether purchasing a lightweight chain in Bengaluru for a festival or investing in heavy bridal sets in Chandni Chowk, Delhi, gold represents emotional security and family heritage. However, ensuring that the 22-karat necklace you paid for is truly 91.6% pure has historically relied on trust rather than verification.
To eliminate fraud and standardized purity standards, the Bureau of Indian Standards (BIS) made the 6-digit alphanumeric Hallmarking Unique Identification (HUID) mandatory for all gold jewellery sold across India. Every hallmarked item now bears a unique laser-engraved tracking number. Verifying this code online takes less than two minutes and guarantees that your hard-earned money purchases genuine hallmarked gold.
Understanding HUID: What the 6-Digit Code Means on Your Jewellery
Prior to the introduction of HUID, older hallmarked gold carried multiple distinct stamps: the BIS logo, the purity mark (such as 22K916 or 18K750), the Assaying and Hallmarking Centre (AHC) mark, and the jeweller's individual logo. While this system brought initial order, dishonest operators occasionally forged static marks on sub-standard gold.
The modern 6-digit HUID system replaces older marking methods with a unique cryptographic tracking system. When an Assaying and Hallmarking Centre tests a piece of jewellery, it generates a single 6-digit code combining letters and numbers (for example, AB12CD). This code is permanently laser-engraved alongside two essential components:
- The BIS Tri-Shape Logo: The official emblem of the Bureau of Indian Standards.
- Purity and Fineness Mark: Clearly indicating the karatage (e.g., 22K916 for 22K gold containing 91.6% purity, 18K750 for 18K gold, or 24K999 for fine bullion).
Because every HUID number is distinct to a single article, it connects your purchase directly to central digital records maintained by the Ministry of Consumer Affairs.
Step-by-Step: How to Verify BIS Hallmark Gold Online via BIS CARE App
Verifying hallmarked gold does not require technical expertise or expensive equipment. You can verify your item directly inside the jewellery shop before making a payment using the official Smartphone app provided by the Government of India.
Step 1: Download the Official App
Download the BIS CARE mobile application from the Google Play Store or Apple App Store. Ensure you select the official app published by the Bureau of Indian Standards to avoid third-party phishing tools.
Step 2: Navigate to Verify HUID
Open the app and tap on the Verify HUID feature on the home dashboard. Registration is quick and only requires basic contact details.
Step 3: Enter the 6-Digit Code
Type the 6-digit alphanumeric HUID code etched into your gold jewellery or printed on your itemized invoice into the search box and press search.
Step 4: Review the Central Database Information
Upon entering a valid HUID, the app immediately displays the registered metadata for that specific piece of jewellery:
- The exact name of the BIS-registered jeweller selling the item
- The name and address of the Assaying and Hallmarking Centre (AHC) that tested the gold
- The official date of hallmarking
- The verified article type (e.g., ring, bangles, chain, or earrings)
- The exact purity grade (22K, 18K, 14K, etc.)
If the details on your screen match your invoice and physical item, your gold is authentic and fully verified.
Red Flags to Watch For When Buying Gold Jewellery
While HUID has made gold shopping significantly safer across metro cities and rural towns alike, unfair practices can still occur if buyers remain uninformed. Pay attention to these primary warning signs during your next purchase:
- Missing 6-Digit Code: Unscrupulous sellers may claim that smaller items like nose pins or thin rings are exempt from HUID. Under current Indian regulations, all commercial gold jewellery weights require hallmarking unless explicitly exempted by BIS guidelines.
- Discrepancy in Article Description: If you scan the HUID code on a 22K gold necklace and the BIS CARE app describes the item as an 18K ring, return the item immediately. This indicates code swapping or fake laser engraving.
- Refusal to Provide an Itemized Tax Invoice: A legitimate jeweller must issue a GST tax invoice clearly listing the HUID code for each individual gold article. Never purchase gold on hand-written cash receipts that omit HUID details.
- Unusually Deep Discounts on Making Charges: If a seller offers zero making charges while discouraging HUID verification, inspect the piece carefully. Sub-standard gold purities are sometimes passed off through promotional discounts.
Frequently Asked Questions (FAQs)
Can I test older inherited gold jewellery without an HUID code?
Yes. Older family jewellery purchased prior to mandatory HUID enforcement does not automatically become invalid. However, if you wish to sell or trade your old gold, jewellers will test the purity using XRF machines or send it to a BIS-certified Assaying and Hallmarking Centre where an HUID can be issued upon testing for a small nominal fee.
What should I do if the BIS CARE app returns an invalid HUID error?
Double-check the letters and numbers entered, as small laser engravings can easily lead to misreading characters like '0' and 'O' or '1' and 'I'. Use a magnifying glass under clear light. If the app repeatedly confirms that the code is invalid, report the jeweller directly through the grievance section inside the BIS CARE app.
How much does HUID hallmarking cost the consumer?
The official hallmarking fee set by BIS is ₹45 per gold article (plus applicable GST). Reputable jewellers include this nominal charge transparently in your final bill break-up.
Final Checklist Before Paying Your Jeweller
Before completing your transaction via cash, UPI, or card, run through this quick confirmation checklist:
- Inspect the physical jewellery piece using a loupe or magnifying glass to locate all three marks: the BIS logo, purity notation (e.g., 22K916), and the 6-digit HUID code.
- Run the 6-digit code through the official BIS CARE app on your phone.
- Verify that the store's name on your invoice matches the registered jeweller name shown in the app results.
- Ensure the HUID code for every individual item purchased is explicitly written on your official tax invoice.
By taking two minutes to perform HUID verification, you safeguard your savings and ensure complete transparency for generations to come.
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Dhananjay Singh
2 followers · 613 blogs
Published 29 Jul 2026 · Updated 29 Aug 2026
Creator on ContentVerse. Building, writing, and shipping in public.
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