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 diamond jewellery.

Hallmarking guarantees a piece of Jewellery for its actual purity and originality. You can analyze 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.

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 2000 G 2006
B 2001 H 2007
C 2002 I 2008
D 2003 J 2009
E 2004 K 2010
F 2005 L 2010