Gold jewelry marked "750" or "18k" indicates a ... Things start to get complicated when we come to maker's marks. Such premier jewelry makers as Tiffany have used several different identifiers ...

It's often the case that your dowdy or unworn gold jewelry is worth ... Beyond purity markings, there are generally three other main types of hallmarks: maker's marks, date letters and town ...

When buying gold jewelry, check for the hallmark. Verify the BIS logo, karat, purity, and 6-digit HUID. Use the BIS Care App ...

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