What Are Some Common Jewelry Markings?


Quick Answer

Common jewelry markings include k for karat size, CW for carat weight and 6,7,8,9,10 for ring sizes. The metal used are marked as P for plumb gold, PLAT, 900 or 950 for platinum, S.S for stainless steel, 925 or .950 for sterling silver and G.P Gold plated.

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Full Answer

The marks and stamps used help identify the metal, purity of the metal, carat weight, trademark, the manufacturer and designer. Silver and gold are the most common metals used in making jewelry. Silver jewelry is normally marked or stamped with numbers indicating its purity level while gold jewelry is marked to indicate the parts of the alloy that are gold on a scale of 24.

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