தங்க நகை ஹால்மார்க் 4 வகை என்ன?
Channel: Allinfo Tamil
Date: 2018-11-16

BIS hallmark of gold is nothing but purity of gold. 
To get BIS CARE app click the link below
https://play.google.com/store/apps/details?id=com.bis.bisapp&hl=en_IE

BIS hallmark

The BIS hallmark is a hallmarking system for gold as well as silverjewellery sold in India certifying the purity of the metal.It certifies that the piece of jewellery confirms to a set of standards laid by the Bureau of Indian Standards, the national standards organization of India. India is the second biggest market for gold and its jewellery.

BIS hallmark

The BIS corporate logo which is a component of the hallmark format

Standards OrganizationBureau of Indian StandardsCertifying agencyAccredited 'Assaying & Hallmarking Centres'Effective regionIndiaEffective since2000 for Gold jewellery, 2005 for Silver jewelleryProduct categoryGold jewellery, Silver jewelleryLegal statusNot yet MandatoryWebsitebis.org.in

India imports in excess of 1000 tons annually (including unofficially smuggled gold) with negligible local production.The annual gold imports are around 50 billion US$ next only to crude oil imports widening the trade deficit.


The BIS hallmark

BIS hallmark for gold jewellery consists of several components:

The BIS logo.and ...

Purity of Gold either on of this 22K916 Corresponding to 22 Carat, 18K750 Corresponding to 18 Carat and 14K585 Corresponding to 14 Carat.

Logo of the assaying centre.

Logo/code of the jeweller.

BIS Hallmark :

24kt is the pure gold. But since it is so soft it is not used for making jewelry articles

So comes 22kt where you can get good jewelry articles

There are four varieties of gold has been given hallmark certificate

24kt

22kt

18kt

14kt

Which is

1kt=100/24=4. 166

Thus

Karat of gold    
--------------------    *  100 = % of fine gold
        24
24kt=4.166*24=99.9%(i.e 999)

22kt=4.166*22=91.6%(i.e 916)

18kt=4.166*18=75.0%(i.e 750)

14kt=58.5%(i.e 585)
Which means

24 kt has 99.9% pure gold. Even 100

22kt has 91.6% pure gold rest 8.4%

other alloys such as nickel, silver, copper etc

18kt has 75.0% pure gold

14kt has 58.5% pure gold rest all are alloys

To buy Hallmark products one must check whether the jewelry contains these symbols
Or go to certified bis hallmark jewellery shop for purity gold. 

One must ensure not to buy KDM gold since it is made of cadmium it causes skin cancer. You should not wear such jewels.

To buy Hallmarked jewellery apart from gold price making charge and wastage one should spend only 35rupees for each parts of the jewellery.. Eg for necklace… Chain and hook so 2 parts then u should pay 70 rupees extra. If u buy customized jewellery they might charge 250 (consignment u need to spend 200rs+35rs).
I have given many tips in this video how to buy gold jewellery?What is bis hallmark jewellery on gold?What is 916?Where to complaint when u are cheated buying bis certified gold? 

indian laws you should know. 
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follow our website to buy hallmark silver products http://www.silverich.in