What Makes 925 Sterling Silver High Quality?

If you've ever shopped for silver jewelry, you've likely seen the stamp "925." But what does it actually mean — and why does it matter?

What Does 925 Mean? 925 sterling silver is an alloy made of 92.5% pure silver and 7.5% other metals, typically copper. Pure silver (99.9%) is too soft for everyday jewelry, so the added metals give it strength and durability without compromising its beauty.

Why 925 Is the Industry Standard Sterling silver has been the benchmark for quality silver jewelry for centuries. The 925 hallmark is internationally recognised and guarantees a minimum silver content — making it easy to verify authenticity.

What to Look For in Quality 925 Silver

• Hallmark stamp — Look for "925", "S925", or "Sterling" stamped on the piece.
• Rhodium or gold plating — A quality plating layer protects the silver from tarnishing and adds a premium finish.
• Weight and finish — Quality pieces feel substantial and have a smooth, even surface.

How We Use 925 Silver at Roberta Amsterdam All our jewelry is crafted in 925 sterling silver, then finished with either rhodium plating for a bright silver look or 18K gold plating for a warm, luxurious tone. Both finishes are hypoallergenic, making them ideal for sensitive skin.

Explore our full jewelry collection to find timeless pieces built to last.