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The combination ratios of precious metals are described as alloys. Just as with wine cuvés, the composition has been refined over many years with the exact details a trade secret. Pure fine gold would be too soft and always have the same colour. Therefore, the alloys have varying amounts of silver, copper and palladium.


The numbers 333, 585 and 750 denote the amount of fine gold. For example, 585 indicates that for 1,000 g of the material there will be 585 g of fine gold. We always process platinum with 950 parts of pure platinum and silver with 925 parts of pure silver. All our alloys are free of nickel.