HUID Full Form, Hallmark Unique Identification Code, Know How To Verify Online?

HUID Full Form is Hallmark Unique Identification, a 6-digit alphanumeric code on gold jewellery introduced by BIS. Learn how to verify HUID online via the BIS CARE app or website and understand its role in enhancing gold authenticity and traceability.

Ananya Gupta

June 23, 2025

HUID Full Form, Hallmark Unique Identification Code, Know How To Verify Online?

HUID Full Form stands for Hallmark Unique Identification, a significant innovation in India’s jewellery industry that enhances trust, transparency, and traceability. Introduced by the Bureau of Indian Standards (BIS), HUID ensures each piece of hallmarked gold jewellery is uniquely identifiable and verifiable. 

With the growing importance of gold in both investment and cultural spheres, the HUID system emerges as a powerful mechanism to uphold the integrity of the gold market. This initiative has modernised the hallmarking process by assigning a six-character alphanumeric code to each hallmarked gold jewellery item. 

What is HUID Full Form?

HUID Full Form is Hallmark Unique Identification. It is a unique six-digit alphanumeric code carved on every hallmarked gold jewellery item. Introduced as part of BIS’s revamped hallmarking system, HUID ensures traceability, authenticity, and transparency in the gold market. This system became mandatory in India from July 1, 2021, and applies to all gold jewellery ranging from 14K to 24K.

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Hallmark Unique Identification (HUID)

The Hallmark Unique Identification (HUID) system was introduced on 1st July 2021 as a part of a revamped hallmarking process. Under this system, each gold article is tested and assigned a unique HUID number during hallmarking at a BIS-recognised Assaying and Hallmarking Centre (AHC). This number is then engraved onto the item, alongside the BIS logo, purity mark (e.g., 22K or 18K), and the jeweller’s mark.

HUID Full Form

Unlike previous hallmarking systems that used only symbols, HUID brings in individual tracking and authenticity validation to every item.

HUID Overview
Aspect Details
HUID Full Form Hallmark Unique Identification
Introduced By Bureau of Indian Standards (BIS)
Implementation Date July 1, 2021
Nature of Code Six-digit alphanumeric unique identifier
Purpose To ensure authenticity, traceability, and standardisation of hallmarked gold jewellery
Applicable Items Gold jewellery and artefacts of 14K, 18K, 20K, 22K, 23K, and 24K purity
Verification Method Through the BIS CARE mobile app or the BIS official website
Mandatory Under Law Yes, as per BIS hallmarking regulations
Additional Hallmark Components BIS logo, purity mark (e.g., 22K/916), jeweller’s identification mark
Benefits Prevents counterfeiting, enhances consumer trust, and improves market transparency

HUID History (Evolution of Hallmark Unique Identification in India)

The HUID Full Form, or Hallmark Unique Identification, represents a major advancement in the history of gold hallmarking in India. The journey toward implementing the HUID system began with the need for a more reliable and traceable method to ensure gold purity and combat counterfeit practices. 

While hallmarking was introduced in India in the early 2000s, it was only on July 1, 2021, that the Bureau of Indian Standards (BIS) launched the HUID hallmarking system. This system revolutionised the jewellery industry by assigning a unique six-digit alphanumeric HUID number to each hallmarked piece.

HUID Full Form in Jewellery (Purpose and Relevance)

Understanding HUID full form in jewellery is crucial for consumers and jewellers alike. The key purpose of the HUID code is:

  • To combat fraud and counterfeiting.
  • To ensure standardised quality control.
  • To build consumer confidence by certifying the purity and source of each item.

The presence of a HUID number significantly influences consumer decisions and plays an essential role in legal and financial operations involving gold.

How Many Digits Are There in a HUID Number?

A HUID number consists of six alphanumeric characters. It is a combination of letters and numbers, uniquely generated for each item during the hallmarking process.

Example: A HUID might look like A1B2C3

This HUID is engraved directly onto the jewellery and is non-repetitive, meaning no two items will share the same identifier.

How to Verify HUID Number Online?

To ensure you are buying authentic hallmarked gold, it’s important to know how to verify HUID number online. Here’s how:

  1. Download the BIS CARE mobile app (available on Android and iOS).
  2. Enter the six-digit HUID number engraved on your jewellery.
  3. The app will display details including purity, jeweller, and Assaying and Hallmarking Centre (AHC) information.

HUID Full Form

Source: bis.gov.in

Alternatively, visit the BIS official website for HUID verification services.

HUID Full Form

Hallmarking Process with HUID

The Hallmarking Process with HUID is a systematic procedure established by the Bureau of Indian Standards (BIS) to ensure the purity and authenticity of gold jewellery in India. This process not only certifies the quality of gold but also assigns a unique Hallmark Unique Identification (HUID) number to every individual piece. Here’s a detailed step-by-step explanation of how the process works:

  • Jeweller Registration with BIS: The jeweller registers with the Bureau of Indian Standards (BIS) to become an authorised seller of hallmarked gold.
  • Submission to Assaying & Hallmarking Centre (AHC): Jewellery is sent to a BIS-recognised Assaying and Hallmarking Centre for testing.
  • Purity Testing: The gold item undergoes rigorous testing to confirm its purity (e.g., 22K, 18K).
  • Engraving of Marks: Upon approval, the BIS logo, purity mark, and unique 6-digit HUID number are engraved on the item.
  • Digital Upload to BIS Database: All hallmarking details, including HUID, are uploaded to the BIS online system for verification.
  • Return to Jeweller for Sale: The hallmarked and HUID-tagged jewellery is returned to the jeweller, ready for consumer purchase.

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Legal Requirements Related to HUID

The HUID system is not optional—it is subsidised by law. Here is the outline of the statutory mandates concerning hallmarking.

  • The legal requirement for HUID hallmarking is enforced by the Bureau of Indian Standards (BIS). As of July 1, 2021, it is mandatory for all gold jewellery sold in India (14K to 24K) to carry a valid HUID. 
  • Jewellers must be registered with BIS and ensure their products are hallmarked only at approved centres. 
  • Non-compliance can lead to fines, penalties, or even imprisonment. Exemptions include traditional forms such as Polki, Kundan, Jadau, and items weighing less than 2 grams.

Exceptions apply to:

  • Polki, Kundan, and Jadau jewellery
  • Items below 2 grams
  • Gold coins, watches, or pens

Penalties for non-compliance include fines and imprisonment, reinforcing the system’s importance in protecting consumers.

Benefits of the HUID Hallmark

The adoption of HUID brings measurable benefits to all stakeholders—from jewellers to consumers and regulators.Key benefits of the HUID Full Form system include:

  • Consumer Confidence: Buyers are assured of the item’s purity and origin.
  • Enhanced Traceability: Each product is individually identifiable and trackable.
  • Fraud Prevention: Limits the possibility of counterfeiting.
  • Loan Eligibility: Financial institutions prefer hallmarked gold, improving borrower terms.
  • Regulatory Oversight: Facilitates efficient audits and compliance checks.

HUID’s Impact on Gold Loan Eligibility

The introduction of the HUID Full Form system has significantly influenced how financial institutions assess gold jewellery as collateral. With verified certification and traceability, banks and NBFCs now prefer jewellery marked with HUID for lending purposes as it offers:

  • Verified purity backed by BIS standards
  • Higher loan-to-value (LTV) ratio due to assured quality
  • Reduced risk of counterfeiting through unique traceable codes

Thus, borrowers can access larger loan amounts, quicker approvals, and more favourable interest rates when pledging HUID-hallmarked gold jewellery.

Difference Between HUID and Previous Hallmarking Systems

With the advent of the HUID system, the process of hallmarking gold jewellery has moved from a generic model to an item-specific tracking mechanism. Traditional hallmarking methods lacked individuality and traceability, making it difficult to verify the authenticity of each jewellery piece. 

The HUID Full Form has introduced a more sophisticated, secure, and consumer-friendly alternative that aligns with global standards. The table below outlines the key distinctions between the old hallmarking system and the new HUID-based approach:

Difference Between HUID and Previous Hallmarking Systems
Feature Old Hallmarking System HUID System
Unique ID for Each Item Not available Yes, six-character alphanumeric HUID
Traceability Minimal Complete traceability via BIS records
Verification Method Manual or visual inspection Digital verification through BIS CARE app
Counterfeit Protection Limited High resistance due to unique identification
Regulatory Compliance Basic, often symbolic Legally enforced by BIS regulations
Consumer Confidence Moderate, reliant on trust High, backed by verifiable official records
Loan Acceptance Variable Preferred by banks due to traceable credentials

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Conclusion

The introduction of the HUID Full Form (Hallmark Unique Identification) system marks a revolutionary step in India’s gold regulation regime. By ensuring individual traceability, purity verification, and consumer protection, it builds a transparent, efficient, and credible gold market. Consumers and jewellers alike must stay informed and compliant with HUID norms, using BIS tools for verification and upholding integrity in every transaction.

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HUID Full Form FAQs

HUID Full Form is Hallmark Unique Identification. It is a unique code for identifying each piece of gold jewellery in India.

It is used to trace and verify the authenticity and purity of gold items.

The HUID number is a six-digit alphanumeric code engraved on hallmarked jewellery.

Use the BIS CARE App or the BIS website to enter and verify the HUID number details.

Yes, as per BIS rules, all gold jewellery must carry a HUID hallmark, except certain exempted items.

HUID-certified gold is easier to appraise, resulting in better loan offers and faster approval from financial institutions.

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