After the question of expertise who work in jewelry, the "white gold" for several things:
I called the Platinum metal, that it is permissible for men there is nothing wrong with it, because he did not want the prohibition in Islam for men, naming it the "white gold" does not make it haraam, because it simply is not in fact, gold and cotton also called white gold and black gold oil, being precious doesn't make it haraam too, it is permissible for a man to wear gemstones such as diamonds, rubies, etc.
It says in Fataawa Al-lajnah Al-daa'imah (24/76): "wearing diamonds for men do not know if the Bassa, not with pure gold and silver" is over.
The second is called white gold yellow gold is known, but it is covered with a layer of Platinum, this wear it haraam for men, because a man dressed up as yellow gold, and wear it haraam for men, according to scholarly consensus, as stated by al-Nawawi in Sharh Saheeh Muslim.
Third: called white gold yellow gold is known, but mixed with a certain percentage of "Palladium" or other, more or less depending on the caliber of gold required to get it, this is the famous known gold shops.
And that – according to experts-: you are to set up a kilo of gold 21 mix 875 kg of pure gold (24) 125 grams of silver and copper, the added weight the same (125 kg) of Palladium instead of copper and silver, we got k White Gold 21.
