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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 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.
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.
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.
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 |
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.
Understanding HUID full form in jewellery is crucial for consumers and jewellers alike. The key purpose of the HUID code is:
The presence of a HUID number significantly influences consumer decisions and plays an essential role in legal and financial operations involving gold.
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.
To ensure you are buying authentic hallmarked gold, it’s important to know how to verify HUID number online. Here’s how:
Source: bis.gov.in
Alternatively, visit the BIS official website for HUID verification services.
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:
The HUID system is not optional—it is subsidised by law. Here is the outline of the statutory mandates concerning hallmarking.
Exceptions apply to:
Penalties for non-compliance include fines and imprisonment, reinforcing the system’s importance in protecting consumers.
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:
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:
Thus, borrowers can access larger loan amounts, quicker approvals, and more favourable interest rates when pledging HUID-hallmarked gold jewellery.
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 |
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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