![]() It is important to identify the metal that is used for plating. If you find ch written on a piece of silver jewellery then it means that the jewellery is silver plated. This means that the jewellery is plated with metal and not in its original form. What Does CH Mean?ĬH refers to ‘chapa’ plated metal in Spanish when it is stamped on a piece of jewellery. ![]() This means that the jewellery is 92.5% pure silver. What Does SU Ch Mean?Īs explained earlier that SU means silver unlimited and CH means plated metal, so SU ch labelled jeweller is actually silver plated jewellery which is 925 parts per 1000 parts pure silver. The concept behind the 925 written on jewellery pieces is that out of the 1000 sheets used in the making, 925 are sheets are pure silver while the rest of the 75 sheets comprise other metals. The sterling silver has a standard minimum millesimal fineness of 925. Jewellery made of sterling silver is timeless, durable, and will last a lifetime if taken care of. Sterling silver is an alloy of silver which contains 92.5 % of silver and 7.5 % of other metals making it a high-quality choice for jewellery pieces and wearables. If you are wearing a piece of jewellery that contains the stamp of SU then it means that the jewellery is made of pure sterling silver.
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