Matures Gold -

: Look for stamps like "14K" or "585" (the decimal equivalent for 14K) to verify the purity.

: 99.9% pure gold. While it is the "purest," it is generally considered too soft for most jewelry items. Solid Gold vs. Other Gold Types matures gold

: Contains 75% gold. It has a deeper yellow tone and is softer and more expensive than 14K. : Look for stamps like "14K" or "585"

Gold Plated vs. Vermeil vs. Solid Gold: Reseller Guide - Branvas matures gold

: Contains 41.7% gold. It is the minimum purity required to be legally sold as "gold" in the U.S. and is highly durable.