Gold jewelry marked "750" or "18k" indicates a blended metal consisting of 75% gold and 25% other alloys or elements. Likewise, a "585" or "14k" imprint indicates a gold content equal to 58.5% of ...

Through the BIS Care app, users confirm the purity of hallmarked gold jewelry in real time. This app will be available for Android and Apple iPhone users to download from Google Play Store and ...