Platinum (symbol PL) was accepted as a precious metal only after the second half of the 19th century and has gloss white color. It is often harder than any precious metal and is believed to be more precious than gold. Platinum is often used to set the most valuable gems in order to achieve the finest jewelry. Platinum is the most secure precious stones, because the strength and color of platinum enhances the brilliance and depth of diamonds and precious stones. Because of its density and weight, one can notice a difference between platinum and other precious metals. Platinum is not to be recognized when comparing different karat. “In the United Statesis marked with PT or PLAT. In Europe, platinum is recognized by the following markings: 950 or PT950. Because platinum is the purest metal, rarely causes allergic reactions.

There is an increasing interest in terms of platinum jewelry worldwide. Wedding rings are the best-selling category in the platinum group. Included are six similar metals: platinum, palladium, rhodium, ruthenium, iridium and osmium.