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Showing all results for: “PT950 DL 5ct”
Fine Jewelry University
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Platinum
… States platinum is usually marked: PT or PLAT. In Europe, platinum is identified by the following marks: 950 or PT950. The History of Platinum in Jewelry Platinum has been used in jewelry only since the 19th century. So platinum … substances. One ought to remember that platinum is not scratch proof. Similarly you should not wear it while handling strong acids. Store it in a fabric-lined box away from other pieces so that it does not get scratched. If required, …