Here at American Medical ID, we are proud to offer the largest variety of medical IDs in precious metals, like sterling silver, gold-filled, and even 10- and 14-karat gold. But what is the difference between all these metals and how do you know which is the right choice for you? As the on-staff jeweler, one of the most frequent questions I get is What IS gold-filled? Offering the look and feel of karat gold, without the cost, gold-filled is made …