What is the hallmark for 18 carat gold?

The standard karat marks for 18-karat gold are easy to recognize – they contain the number 18 followed by letters such as K, Kt, or KT, all of which indicate karat. So, if you see a stamp that reads 18K, 18KT, or 18Kt, it means the gold is 18 karats.

What do markings mean on gold?

purity Gold hallmarks originated to show the purity of gold in a piece of gold jewellery and included the mark of the assaying office that certified the purity as well as the fineness or caratage of the gold. The English term hallmark originates with this hall and its official marks.

How many types of hallmark gold are there?

Gold is categorised based on its purity and 24 Karat, 23 Karat, 22 Karat, 18 Karat, 14 Karat, 10 Karat, etc., are the different types of gold purity levels available. 22 Karat hallmarked gold is referred to as BIS 916 Gold, the number 916 denoting the purity of gold in the final product.