Hallmark Unique Identification (HUID)

The HUID is a unique 6-digit alphanumeric code given to every piece of jewellery at the time of hallmarking.

Hallmark Unique Identification (HUID)

About Hallmark Unique Identification:

  • The HUID is a unique 6-digit alphanumeric code consisting of numbers and letters.
  • The HUID will be given to every piece of jewellery at the time of hallmarking and it is unique for every piece of jewellery.
  • This unique number is stamped manually, on jewellery at the Assaying & Hallmarking centres.
  • Present scenario: Earlier, the HUID used to be 4 digits and now both 4 and 6-digit HUIDs are used in the market.
  • From April 1st 2023, only 6-digit alphanumeric codes will be allowed.
  • Symbol: The BIS Hallmark consists of 3 symbols namely the BIS logo, Purity/Fineness Grade, and a six-digit alphanumeric code
  • The authenticity of hallmarked jewellery can be checked by using the ‘verify HUID’ feature on the BIS Care App.

What is the Bureau of Indian Standards?

  • Bureau of Indian Standards (BIS), the National Standards Body of India established under the BIS Act 2016.
  • Objective: Harmonious development of the activities of standardisation, and quality assurance of goods and articles.
  • It works under the Ministry of Consumer Affairs, Food & Public Distribution.
  • BIS represents India in International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC).

 


Q1) What is Hallmarking?

Hallmarking is the accurate determination and official recording of the proportionate content of precious metal in precious metal articles. Hallmarks are thus official marks used in many countries as a guarantee of purity or fineness of precious metal articles.

Source: No sale of gold jewellery without HUID from April 1

Latest UPSC Exam 2025 Updates

Last updated on July, 2025

UPSC Notification 2025 was released on 22nd January 2025.

UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.

UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025  are available now.

UPSC Calendar 2026 is released on 15th May, 2025.

→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.

UPSC Mains 2025 will be conducted on 22nd August 2025.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best IAS Coaching in Delhi

Vajiram Editor
Vajiram Editor
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
Prelims PowerupTest Series
Prelims PowerupTest Series
₹13000
Enroll Now
UPSC Mains Test Series
UPSC Mains Test Series
₹16000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
Enquire Now