The use of replica van cleef & arpels jewelry platinum for fine jewelry is only limited by the supply of this rare metal. Large quantities are also used in dentisrty, for incandescent lamps, and for electric and scientific instruments.

Its indestructibility has made it the ideal material for crucibles and dishes in chemical laboratories. Articles made of platinum are all marked and the mark is recorded together with the weight so that they may be recovered if stolen. The extreme difficulty with which platinum is melted makes its detection comparatively sure.

During the European War it was so much needed for munitions that all other uses were restricted and jewelers were asked to discontinue the manufacture of platinum jewelry. After the war a certain amount of replica van cleef & arpels bracelet platinum was released, but the unsettled condition of Russia still cut off the major source of supply. The price continued to advance. While in 1918 platinum was worth five times as much as gold, in October, 1920, it was worth seven times as much.

In order to meet the scarcity of platinum it is some times alloyed with palladium or iridium, two metals of the platinum group which is substituted for platinum in jewelry, is only superficially like it and is far less durable.

In September, 1920, a law was passed in New York State requiring that all articles marked "platinum" must assay. 925 fine of metals of the fake van cleef & arpels clover bracelet platinum group.