White gold is an alloy formed by the combination of pure gold with white metal, while silver is a pure element. Thereby, silver is way more pure than white gold. White gold is costlier than silver because it is rare and also durable. White gold, due to its durability, is more resistant to scratch compared to silver. White gold is more malleable than silver; this attribute makes it easy to carve things on it easier than it would be for silver.
The marking of hike gold is carried out in percentage purity or karats, while silver is only marked in percentage purity. Silver has only gray shades only due to its high level of purity, while white gold can have a yellow shade as well as gray shades. Ag, which means Argentum in Latin, is the symbol for silver, while Au is the symbol for gold, which is the major constituent element of white gold.