What Does the Letter “PT950” Mean on a Ring?

The quantity of parts per thousand that are pure platinum is indicated by the stamp PT950, which stands for platinum. Due to the purity of platinum alloys, which ranges from 90 to 95 percent, the metal makes up a larger portion of an item’s weight.

Since the word “Platinum” must be followed by the purity for alloys of platinum between 850 and 950 parts per thousand, the number 950 frequently comes after the PT designation.

Due of its high density, platinum weighs more than gold. Platinum is a popular choice for diamond settings because to its colour, hardness, and longevity. It is frequently alloyed with iridium or ruthenium for added strength. Because of its higher density, higher purity, and longer manufacturing time, platinum is more expensive than white gold.


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