Although they share a lot in common, silver and 925 Sterling Silver are not the same metals. The other 7.2% of sterling silver is made up of other metals like copper or zinc and contains the remaining 92.5% pure silver. Because of its 92.5% composition. Because of the many advantages and exceptional qualities of sterling silver jewelry made of this metal is the most popular. People adore Wholesale Silver Jewelry, which is also a timeless fashion.