Question: what is the difference between hallmark gold and kdm?
Answer: Hallmark: Hallmark sign ensures that the gold you have bought conforms to a set of standards. 916: 916 also called as 22K gold which means 91.6 grams of gold have been in 100 grams of alloy. KDM jewellery: KDM jewellery is gold alloy where cadmium is used as a solder or filler with a ratio of 92% gold and 8% cadmium.