How to check the purity of gold

How to check the purity of gold

Whenever one plans to buy Gold or gold jewellery, the very first thing that he should ensure is the purity of Gold i.e how pure the gold.But the real question is how an individual can check the purity of gold without spending huge sums of money or time? To protect the rights of consumers, the government of India has made hallmarking of gold jewellery mandatory in India. Hallmarking of gold jewellery will not only help to keep control on quality but also safeguard consumers from false jewelers. Below is a guideline given by Bureau of Indian Standards which everybody must read to know the basic facts about gold, what is hallmarking and what to check while purchasing gold jewellery:

Under Bureau of Indian Standards (BIS) Act, hallmarking agency certifies gold on the basis of Indian standards. In other words, gold jewellery will be evaluated and tested at official hallmarking centers and then certified that the metal conforms to the national and international standard of fineness and purity.


One must check hallmark before purchasing gold jewellery. Hallmark consists of five components i.e.


(1)   BIS Standard Mark

BIS hallmark look likes:-

(2)  Purity Grade

Gold purity grade shows how pure the gold is.

  • 999 – 24 carat – Pure Gold
  • 958 – 23 carat
  • 916 – 22 carat
  • 875 – 21 carat
  • 750 – 18 carat
  • 708 – 17 carat
  • 585 – 14 carat
  • 417 – 10 carat
  • 375 – 9 carat
  • 333 – 8 carat

 (3) Mark of Hallmarking Centre

One must check for Logo of Hallmarking centre where the jewellery has been hallmarked.


 (4)  Year of Marking

Alphabets represents the year of hallmarking of jewellery and is decided by BIS e.g. letter ‘A’ Donates Year 2000, ‘J’ for 2008, ‘N’ for 2010 ,‘M’ for 2011 and ‘N’ for 2012 etc..


(5) Jewelers Identification Mark

Many jewelers keep their own identification mark of BIS Certified Jeweler/ Jewellery Manufacturer.

In the age of technology many consumers are now purchasing jewellery online as it is more convenient and has access to a larger variety of options. A major concern for such consumers is how to check the authenticity of the jewellery without physically seeing it first. Many consumers spend money on getting it the jewellery tested after purchasing it online. In case of fraud the consumer is often in a helpless situation as the money has already exchanged hands. Although this is not foolproof a few simple steps would ensure a lesser likelihood of getting cheated:

  1. Always ask if the jewellery is certified by the above mentioned hallmarking standards
  2. Request the retailer to provide hallmarking credentials in advance
  3. Only purchase jewellery from popular and established online retailers


Important Points To Keep In Mind While Purchasing Gold Jewellery

  • Look For :-Jewellery  Showroom selling BIS Hallmark Jewellery.
  • Buy:-Hallmark Jewellery only. It assures the mark of purity/fitness.
  • Ask For: –Cash Memo /Invoice which will help BIS to resolve complaints (if any).



All that Glitters may not be Gold. Be sure, It is pure!