Lustrium is a Jostens exclusive "silver" colored alloy which is brightly polished and very durable. It is highly resistant to wear and will not tarnish.

Yellow Lustrium A non-precious metal alloy that's "gold" in color. While a tough metal it does not have the same value and durable characteristics as gold and thus may require additional care.

10K Solid Gold is our most popular alloy. Nothing shines like real gold. Strong, durable and it has a trade-in value on a college ring. Gold has long been recognized as an excellent investment in a world that respects and prizes this precious metal. Over 40% pure gold...A practical choice for rings worn everyday.

14K Solid Gold is the standard of the American jewelry industry, its beauty is unsurpassed. Even more rich in color and texture than 10K. Nothing feels like real gold! Over 60% pure gold... provides a nice balance between gold content and affordability.

18K Solid Gold is unmatched for its beauty and texture. A timeless fine jewelry keepsake that has enduring beauty and value. Simply, "the best". Over 75% pure gold... popular for higher-end jewelry.