Precious Metals

Gold Silver Platinum

How to choose between white gold and platinum?

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The metals are known to people since ancient times. They have been used most widely for jewellery are other decorations, tableware, coinage. The most used was gold because it is soft and easy to handle. In addition, it does not change its appearance, withstands weathering and is relatively accessible for mining.


The alchemists in the Middle Ages have done some of the first studies of the gold. They also studied the silver considering it gold's companion but with lower quality mostly because it changes its colour under external influences.

Nowadays there are four precious metals mostly used in the jewellery: gold, silver, platinum and palladium.The elements of platinum group - rhodium, iridium, ruthenium, osmium, palladium and platinum itself – are also considered precious. Platinum is widely used in jewellery because of its smooth and nice colour, especially in the production of diamond jewellery. The alloy of platinum with some amount of palladium is called white gold.

When making jewellery a certain proportion of other metal is added in the base material. These supplements could be precious and base. Thus, you can change the colour, density, hardness and melting point.

The purity of gold and platinum is measured by carats which represents 24 times purity by mass. For example 22 carats is 22 parts of gold and 2 parts of other metal, 14 carats is 14 parts of gold and 10 parts of other metal and so on.

The purity of silver is measured by standards of millesimal fineness. The purest silver contains 99,9% silver with traces of other metals. It is called fine silver and has millesimal fineness 999 or three nines fine.

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