In case of purity certification, hallmarked gold is available in purities of 958 (23 carat), 916 (22 carat), 875 (21 carat) and 750 (18 carat). |
31 авг. 2024 г. · The "21K" stamp on gold jewellery is a hallmark that signifies the piece is made of 21 karat gold, which is 87.5% pure. This stamp is an ... |
21 karat gold means that gold contains 21 parts of pure gold and three parts of other metals or alloys such as copper, silver, and zinc. 21 karat gold has a ... |
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