The ankh cross, or "key of life," was recognized in Ancient Egypt for symbolizing eternal life, and makes a meaningful everyday signature. O… The ankh cross, or "key of life," was recognized in Ancient Egypt for symbolizing eternal life, and makes a meaningful everyday signature. Our special charm features the ankh glowing in diamond-cut and polished 14kt yellow gold. Wear it solo or pair it with one of our charm-compatible necklaces to mix and match with other charms for a custom style that's all your own. Single bail fits up to a 2.5mm chain, sold separately. 14kt yellow gold ankh cross charm.