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Hallmark is basically a symbol that acts as a safeguard of gold and golden objects that indicates the purity of gold. In simpler words we can say that Hallmark is the certification of the purity of gold. Hallmarking process basically involves evaluation of golden objects at hallmarking and Assaying centre which are later certified as pure on the national and international standards.

Hallmarking in India is a voluntary process. The jewelers who intend to get their jewellery hallmarked contact Bureau of Indian Standards for a fee based license, after acquiring the license the jewellery is sent to BIS recognized A&HMC. The Indian Government had launched BIS in the year 2000.

The license is offered by the Bureau of Indian Standards to the jewelers and the manufactures once they complete the requirements as per IS 1417:1999 which ensures the purity and practice of golden objects. This license enables the jewelers to trade the gold with credibility and trust to the customers.

If a golden object has a hallmark of Bureau of Standards Logo, it contains major aspects like the fineness number, mark of Assaying and Hallmarking Centre where the jewellery has been assayed and marked with the year of the mark and manufacturers mark. In simpler words the object is aptly tested and assured with complete purity.

The Bureau of Indian Standards recognizes all the centers of Assaying and Hallmarking that is carried on the norms like receipt, sampling, Assaying and hallmarking. The technical competence for testing Assaying laboratory is assessed as per the ISO/IEC 17025 - 1999. Based on IS/ISO 9001 - 2000 in the cycle with ISO/IEC – 17025 the documentation is assessed under Bureau of Indian Standards criteria for hallmarking of gold jewellry.
  Guidelines for Hallmarking

Any jewellery manufactured must meet the following requirements:–

IS 15820 – 2009
General requirement for competence of Assaying and hallmarking centers.

IS 1417 – 1999
Gold and Gold alloys, jewellery / artifacts fineness and marking specifications (3rd revision)
  
IS 1418 – 1999
Method for Assaying Gold in Gold bullion, Gold alloys and Gold jewellery / artifacts cupellation (fire assay)
  
IS 2790 – 1999
Guidelines for manufacture of 23, 22, 21, 18, 14 & 9 Karat Gold alloys (1st revision)

IS 3095 – 1999
Gold solders for use in manufacture of jewellery.

IS 2112-2003
Silver & silver alloys, /Artifacts-Fineness and marking- specification.

IS 2113-2002
Assaying Silver in Silver and Silver alloys-methods.
While submitting golden objects for hallmarking:-
 
•
The first step before submitting any form of jewelleryfor hallmarking is to provide  a photocopy of your hallmarking license to the hallmarking centre which includes your name, logo and license no. and validity.
•
should be free from any platinum group of metals. i.e. Cadmium, platinum, iridium and ruthenium. Solder should be of the same fineness as that of the jewellery.
• The jeweler should make sure the lot given to the hallmarking centre is homogeneous and segregated as per the make, purity and type of jewellery.
• An appropriate area should be specifically left for the hallmarking on the jewellery. However if this cannot be done in a particular type of jewellery, a soldered strip must apply be provided for the same.
• An Issue Voucher is been generated to those artisans who work on the same golden object differently to make the  sampling process is easier. 
• While sending the jewellery, it should be accurately packed and sealed with the details like list of items, quantity and weight.
• With the , a sample format of the packing details should also submit in duplicate. This list may not contain every minute detail.
• The jewellerysent must be insured for the period, for which it is in transit.
• In the event the sample fails to meet the declared purity, a Lower Cartage or Reject mark on each piece is put after informing the client.
According to IS 1417:1999 clause 6.2
Here are certain conditions under which hallmarking cannot be done on certain objects:-
• A golden object that is not assayed by BIS certified Assaying and Hallmarking.
• A golden object which is unable to meet with a particular fineness and cartage.
• A golden object that is filled with base metal, cement or any other substance allotting it extra weight or strength or is just made hollow and claimed as complete gold with the jeweler’s logo.
• Golden objects which has no space to stamp the mark.
• CADMIUM (Cd) soldered Gold jewellery.
CHECKLIST:-
Markings to look for while buying a Hallmarked.
Bis Mark
Bureau of Indian Standards Corporate Logo
Fitness
Fineness for Gold       
Corresponding to 23 Carat
Corresponding to 22 Carat
Corresponding to 21 Carat
Corresponding to 18 Carat
Corresponding to 14 Carat
Corresponding to 9 Carat
Assaying Hallmarking Center's Mark
The Logo of BIS recognized Assaying and Hallmarking Centre
where the has been assayed and hallmarked.
Year of Marking
Code Letter represents the year of hallmarking of as decided by Bureau of Indian Standards e.g. letter 'A' denotes Year 2000, the current code letter 'N' denoting year 2011.
Jeweler's Mark
Logo of Bureau of Indian Standards Certified Jeweler / Manufacturer
Frequently Asked Questions on Hallmarking!!  Click here
 
 
 
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