Gold plated jewelry can sometimes cause green discoloration — but the likelihood depends greatly on the materials used underneath the gold layer. In Mionza’s case, gold is plated over 925 sterling silver, which is a precious, non-reactive metal that is far less likely to cause irritation or oxidation compared to copper or brass.

However, over time and with frequent wear, even high-quality plating can slowly fade, especially if exposed to moisture, sweat, or perfumes. If the gold layer thins out significantly, the underlying silver may begin to tarnish slightly, though it rarely turns green. Green discoloration typically occurs with cheaper, copper-based jewelry — not with well-made gold over sterling silver pieces.

Yes — the thickness and craftsmanship of the plating make a major difference. Mionza’s gold-plated jewelry features a durable layer of gold over sterling silver, offering the aesthetic of solid gold with more longevity than typical costume jewelry.

Thicker plating (measured in microns) provides better protection for the silver base and helps prevent tarnishing or color transfer. Additionally, silver is much less likely to react with your skin or the environment. So, while no plated piece lasts forever, high-quality gold over silver offers significantly better resistance to green marks compared to lower-end alternatives.

External factors can also contribute to green staining or fading. Wearing your jewelry while exercising, swimming, or even during hot summer days can expose it to sweat, water, and humidity, which can speed up the natural wear of gold plating.

In particular, chlorine from pools, saltwater, and beauty products like perfumes or lotions can react with the metal and break down the gold layer faster. Over time, this may expose the silver base — which can tarnish if not properly cared for — and lead to minor skin discoloration in rare cases.

The good news? With proper care and awareness, these effects can be minimized or even prevented entirely. (We’ll cover that in the next section!)