How to Check Hallmark on Gold Jewelry?

A hallmark is a set of marks or stamps on gold jewelry that certifies its authenticity, purity, and other essential details. These marks are usually applied by official assay offices or trusted jewelers.

To check the hallmark on gold jewelry, examine the piece for a tiny stamp indicating its authenticity. The hallmark typically includes information like the purity of the gold, the manufacturer’s mark, and sometimes the year of production. Use a magnifying glass for better visibility.

Common purity marks include 24K for pure gold, 18K, 14K, and 10K for alloys with varying proportions of gold. Hallmarks are usually located on inconspicuous areas like clasps or inner surfaces.

Consult a hallmark guide or app to decipher the symbols. If uncertain, seek professional appraisal from a certified jeweler. Authentic hallmarks ensure the gold’s quality and assist in determining its value and origin.

Importance of Checking Hallmarks

Verifying the hallmark on gold jewelry is crucial for several reasons:

1. Purity VerificationHallmarks indicate the purity of gold, ensuring consumers know the exact composition and quality of the jewelry.
2. Quality AssuranceActs as a guarantee of authenticity and quality, assuring buyers that the gold meets established industry standards.
3. Value DeterminationHelps determine the market value of the jewelry, as gold prices vary based on purity and weight.
4. Legal ComplianceEnsures compliance with local regulations, as many countries mandate hallmarking to protect consumers from fraud.
5. Identification of MakerProvides information about the manufacturer, aiding in tracing the origin and holding them accountable for quality.
6. Prevents CounterfeitingActs as a deterrent against counterfeiting, as forgers find it challenging to replicate genuine and standardized marks.
7. Informed PurchasesEnables informed buying decisions, allowing consumers to choose jewelry based on their desired level of gold purity.

Checking hallmarks on gold jewelry is a crucial step in ensuring transparency, authenticity, and value for both buyers and sellers.

Deciphering Gold Hallmarks

Hallmarks typically include information such as the karat of gold, the manufacturer’s mark, and sometimes additional symbols. Here’s a simple tabular format to guide you through the process of checking the hallmark on gold jewelry:

Common Hallmark Symbols

Here’s a table with common hallmark symbols found on gold jewelry:

Hallmark SymbolMeaning
24K or 999Pure gold (24 karats)
22K or 91622 karat gold
18K or 75018 karat gold
14K or 58514 karat gold
10K or 41710 karat gold
3759 karat gold
58514 karat gold
75018 karat gold
91622 karat gold
999Pure gold (99.9% purity)
375, 585, 750European hallmarks indicating gold purity
Hallmark logoManufacturer’s or jeweler’s logo
Year stampIndicates the year of manufacture
Country stampIndicates the country of origin
Assay Office stampIndicates the testing office or authority

Please note that the actual symbols and standards may vary by country, and this table provides a general overview. It’s always a good idea to check with local authorities or jewelry experts for specific information in your region.


Consider a gold ring with the following hallmarks:

  • 750 (Purity)
  • ABC (Assay Office)
  • XYZ (Maker’s Mark)
  • ’21’ (Year Mark)

How to Check Hallmark on Gold Jewelry?

Checking the hallmark on gold jewelry is an important step to verify its authenticity and quality. Here’s how you can check the hallmark on gold jewelry:

1. Examine the Jewelry Surface:

Start by closely inspecting the surface of the jewelry. Genuine gold hallmarks are typically small and well-defined. Use a magnifying glass if needed.

2. Locate the Hallmark:

The hallmark is often placed in inconspicuous areas such as the inner side of a ring band, the clasp of a necklace, or the back of an earring.

3. Interpret the Purity Mark:

Look for the karat or fineness mark. Use the examples provided earlier to understand the purity of the gold.

4. Verify the Assay Office Mark:

Cross-reference the assay office mark with a reliable list of official marks. This confirms that the gold has been tested and certified.

5. Identify the Maker’s Mark:

Research the maker’s mark to ensure it corresponds to a reputable jewelry manufacturer. This adds an extra layer of authenticity.

6. Check for Additional Marks:

Some hallmarks include a year mark or other symbols specific to the jeweler. Understand these additional marks for a more comprehensive assessment.

Check Hallmark on Gold jewellery

Checking the hallmark on gold jewelry is important to verify its authenticity and purity. Hallmarks typically include information such as the karat of gold, the manufacturer’s mark, and sometimes additional symbols. Here’s a simple tabular format to guide you through the process of checking the hallmark on gold jewelry:

Hallmark ElementDescription
1. Karat MarkIndicates the purity of gold. Common marks include 24K, 18K, 14K, 10K, or others.
2. Manufacturer’s MarkUnique identifier for the jewelry maker or manufacturer. This can be a logo, initials, or a name.
3. Year MarkIn some cases, a letter or number indicating the year of manufacture. Not always present.
4. Additional SymbolsSome hallmarks may include symbols or codes specific to the certification authority or country of origin.
5. Serial or Batch NumberA unique identifier for the specific piece of jewelry or batch of production.
6. Testing Authority MarkA mark indicating that the jewelry has been tested and meets certain quality standards.


Hallmark ElementDescription
Karat Mark18K
Manufacturer’s MarkABC (Logo or Initials)
Year Mark2024 (or a symbol representing the year)
Additional Symbols[Certification Authority Symbol]
Serial/Batch Number123456
Testing Authority Mark[Testing Authority Symbol]

Keep in mind that the specific format and information in the hallmark can vary by country, and it’s essential to be familiar with the standards used in the region where the jewelry was produced.

Real-Life Example

Consider a scenario where you come across a stunning gold necklace with the following hallmarks:

  • 585 (Purity)
  • ABCo (Assay Office)
  • LMJ (Maker’s Mark)
  • ’22’ (Year Mark)

By decoding these hallmarks, you ascertain that the necklace is 14K gold (58.5% pure), tested by the reputable ABC assay office, manufactured by LMJ jewelers, and crafted in the year 2022.

How to Check BIS Hallmark on Gold?

Checking the BIS hallmark on gold involves verifying the authenticity and purity of the gold product. The Bureau of Indian Standards (BIS) is responsible for certifying the purity of gold and other precious metals in India. The BIS hallmark on gold indicates that the gold meets the standards set by the BIS. Here’s how you can check the BIS hallmark on gold in a tabular format:

Hallmark LogoLook for the BIS logo, which is a triangle inside a circle. This is the primary identification of BIS certification.
Fineness NumberCheck the fineness number, which indicates the purity of gold. For example, 999 for 24-carat gold, 958 for 23-carat gold, and so on.
Assaying and Hallmarking Centre’s MarkThe unique mark of the Assaying and Hallmarking Centre where the jewelry was certified.
Year of HallmarkingThe year in which the jewelry received the BIS hallmark.
Jeweler’s Identification MarkThe unique mark of the jeweler or manufacturer registered with BIS.


Hallmark LogoBIS triangle inside a circle
Fineness Number916 for 22-carat gold
Assaying and Hallmarking Centre’s MarkUnique center code
Year of Hallmarking2024
Jeweler’s Identification MarkJeweler’s unique mark

Ensure Legibility: The Hallmark should be clear and legible. If the stamp is unclear or missing, it’s advisable to have the gold article tested by a certified jeweler to verify its authenticity.

Visit the BIS Website: You can also verify the BIS Hallmark by visiting the official website of the Bureau of Indian Standards. They often provide an online search facility where you can enter the Hallmark details to check its authenticity.

It’s important to note that these marks are typically stamped on a prominent place of the gold item, such as the inner surface of a ring or the back of a pendant. If you are unsure, you can ask the jeweler to show you the marks and explain their significance.

Common Challenges in Checking Hallmarks

1. Microscopic Hallmarks:

Some hallmarks are incredibly small, requiring a keen eye or a magnifying glass for accurate examination.

2. Worn or Faded Hallmarks:

Over time, hallmarks may fade or wear off, making them challenging to decipher. In such cases, seek the assistance of a professional jeweler.

3. Counterfeit Hallmarks:

Be aware of counterfeit hallmarks. Counterfeiters may attempt to replicate genuine marks to deceive buyers.

Ensuring Hallmark Legitimacy

1. Buy from Reputable Jewelers:

Choose established and reputable jewelers with a history of selling authentic gold jewelry. Research customer reviews and ratings.

2. Request Certification:

Ask for a certificate of authenticity when purchasing high-value gold jewelry. This document should include details about the gold’s purity and other relevant information.

3. Consult Experts:

When in doubt, consult with experienced jewelers or appraisers. They can provide professional opinions on the authenticity of the hallmarks.

Deciphering hallmarks is a skill that every buyer should possess. Mastering the art of checking hallmarks requires practice and knowledge. Armed with the information provided in this guide, you can confidently navigate the world of gold jewelry, appreciating the craftsmanship and heritage behind each piece.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top