Some common types of metals used in diamond jewelry are platinum, silver, and gold. Other metals consist of stainless steel and titanium. Gold alloys used in diamond jewelry range from 10 carats to 21 carats, whereas alloys consisted of platinum are 90 to 95% pure. Sterling Silver is a very common metal in jewelry manufacturing and is used on a robust scale for today’s market. Below is a list for some of these precious metals types. In this article we delve into the various precious metals used in diamond jewelry.