What does 14k ED A-A mean on the inside of a ring?

The marking "14k ED A-A" on the inside of a ring indicates that the ring is made of 14-karat gold, meaning it contains 58.3% pure gold. The "ED" may refer to a specific brand or designer associated with the piece. "A-A" could signify a particular model or style within that brand. Together, these markings provide information about the metal content and potential manufacturer of the ring.