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Hallmark Jewellery

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

-BIS definition

 
Hallmarking guarantees a piece of Jewellery for its actual purity and originality.
   
You can analyse its true financial potential as a form of investment and help you calculate its value more accurately. For e.g. a non hallmarked Jewellery will lose it's value by around 10% - 20% whereas a Hallmarked Jewellery will not.
 
 
 

5 Mandatory Symbols for a hallmarked jewellery

   
The symbols mentioned below are used to identify hallmarked jewellery. They are usually present at the back /inner side of a jewellery article. 
   
The BIS Logo
The most visible symbol of hallmarking is the BIS logo
The Year of Hallmarking
 
  A Year 2000 G Year 2006
  B Year 2001 H Year 2007
  C Year 2002 I Year 2008
  D Year 2003 J Year 2009
  E Year 2004 K Year 2010
  F Year 2005 L Year 2011
 
 
Purity of Gold
 
  Identification Marks 958 916 875 750 585 375
  Gold in Carat 23ct 22ct 21ct 18ct 14ct 9ct
 
 
Jeweller's identification mark
The Jeweller's identification mark.
 
 
Assay Center
The Assay or Hallmarking center's logo.
 
You should be clearly able to identify the 5 symbols as in the picture below.
You might need a magnifying lens though.
 
 
 
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