Everything about Carat Purity totally explained
» For other uses of the word "carat", see Carat.
The
carat (abbreviation
ct or
Kt) is a measure of the
purity of
gold alloys. In the
United States and
Canada, the spelling
karat is used, while the spelling
carat is used to refer to the measure of mass for gemstones (
see Carat (mass)).
Measure
As a measure of purity, one carat is
of a golden solidus of Constantine; but was likely never used to measure the weight for gold.
Terminology
22/22K - a quality mark indicating the purity of
gold most popularly used in india. This purity was adapted and practiced by the big jewellers and was latter passed to jewel smiths The first 22 signifies the "Skin purity" of gold jewellery and the second 22 signifies that after melting purity of the gold jewellery will be 22K (22
Karat) or 91.67% of pure gold.
This symbol or stamp is very popular on the gold jewellery business in Asian countries like
India,
Sri Lanka,
Pakistan,
Bangladesh,
Nepal,
Yemen, and Gulf Countries.
This practice was pioneered and introduced in the early mid-1980s by Nemichand Bamalwa & Sons of
Kolkata, India, sparking a revolution in India as it forced jewellers to indicate correctly the after-melting purity, and heightened consumer awareness made it a most sought-after stamp or quality mark.
Chuk Kam (玉金) – In Cantonese (Chinese) this term means pure gold, literally "Jade Gold". It is defined as 99.0% gold minimum with a 1.0% negative tolerance allowed. The quality of gold is guaranteed with a "Certificate of Gold" upon purchases in
Hong Kong and
Macau.
International caratages of gold jewellery
Further Information
Get more info on 'Carat Purity'.
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