Metal
White Gold
White gold is a gold alloy made lighter in color by combining gold with white-colored metals. Many pieces are rhodium plated for a brighter finish; that surface layer can wear over time and may need professional renewal.
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White gold is a family of gold alloys rather than a single formula. Pure gold is mixed with white-colored metals to produce a paler color and improve working properties. Many pieces are rhodium plated to create a brighter, harder surface.
Karatage describes gold purity. Fourteen-karat gold contains about 58.3% gold and is commonly marked 585; the remaining alloy varies by formulation. A product’s exact alloy and surface treatment should be verified separately when relevant.