An alloy of gold with a high percentage of silver or any of several otherwhite metals, the percentage of gold varying depending on the other metal used.It is of pale gold colour. The term is sometimes applied to the ancient electrum. Before the use of platinum orpalladium, white gold was often used as a setting for diamonds, being highly reflective and, unlike silver, not subject to tarnish.
White Gold

White Gold
An alloy of gold with a high percentage of silver or any of several otherwhite metals, the percentage of gold varying depending on the other metal used.It is of pale gold colour. The term is sometimes applied to the ancient electrum. Before the use of platinum orpalladium, white gold was often used as a setting for diamonds, being highly reflective and, unlike silver, not subject to tarnish.
References
From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson



