The answer to this question is no.  White gold and platinum have their own properties which make them unique. The following white gold information and platinum information show you the difference between the two metals.

White gold is an alloy of gold and some white metals such as silver and palladium. White gold can be 18kt, 14kt, 9kt or any karat. For example, 18kt yellow gold is made by mixing 75% gold (750 parts per thousand) with 25% (250 parts per thousand) other metals such as copper and zinc. 18kt white gold is made by mixing 75% gold with 25% other metals such as silver and palladium. So the amount of gold is the same but the alloy is different.

Gold comes in a number of colors aside from 'gold'.  It can be white, rose, green, purple, blue, or black.  Ever wonder what gives gold it's colors?  Well, here it is.

Everyone knows gold purity is rated in Karats (also spelt Carats), but do you know what each Karat breaks down to in terms of pure gold? Well, here it is...