If a gold-plated item has begun to turn silver, she suggests taking it to a professional to be re-plated. If your jewellery is set with gemstones, you can still clean it using the methods above.
These can be highly acidic, or sugary, and therefore act as an abrasive on many metal and gemstone types, including gold. Baking soda – a popular cleaning hack for silver jewellery – is also ...