What is 925 Sterling Silver & How to Know if it's Fake Sterling silver is often confused to be exactly same as the regular silver we know about. Sterling silver and ordinary silver are not the same metal, however. Gorgeous 925 Sterling Silver Jewelry stamped with the 925 mark contains 92.5% pure silver and 7.5% copper or another metal. Jewelry made of 925 sterling silver has a 925 certification mark on it. Due to its endurance, sterling silver is a more favoured metal. Read More: https://www.sagaciajewelry.com/blogs/news/925-sterling-silver-real-vs-fake