Country Guide

Ring Sizes in the Netherlands

Comprehensive guide to EU ring sizing, Dutch jewelry culture, and the world-famous Amsterdam diamond district

Published: February 24, 2026 Reading time: 9 minutes

The Dutch Ring Sizing System

The Netherlands is a major center for diamond trading and jewelry manufacturing in Europe, and it uses the European (EU) ring sizing system exclusively. This standardized system is based on the inside diameter of the ring measured in millimeters, providing precise and consistent sizing across all Dutch jewelers and retailers. The EU system ranges from size 5 to size 27, making it one of the most comprehensive sizing standards globally.

Dutch jewelers are renowned for their precision and expertise in ring sizing and custom manufacturing. Whether you're purchasing a simple band or an elaborate diamond engagement ring, Dutch jewelers understand the importance of exact fit and customer satisfaction. The EU system's mathematical precision aligns perfectly with the Dutch commitment to accuracy and quality craftsmanship.

Amsterdam's World-Famous Diamond District

Amsterdam's diamond district, known as the "Grachtengordel," is one of the most prestigious jewelry hubs in the world. This historic area has been a center of diamond trading and jewelry craftsmanship since the 16th century. Today, it remains home to some of the world's finest diamond dealers, cutters, and jewelers who create exquisite pieces that are sought after by collectors and buyers worldwide.

The diamond district specializes in custom ring design and manufacturing. When you visit an Amsterdam jeweler, you'll encounter experts who can guide you through the entire process of creating a bespoke ring. These professionals use the EU sizing system and have access to the finest diamonds and precious metals from around the world. The district's reputation for quality is backed by centuries of tradition and expertise.

Purchasing a ring from Amsterdam's diamond district means investing in not just a piece of jewelry, but a work of art created by master craftspeople. Many Amsterdam jewelers offer certification and authentication services for diamonds and precious metals, providing peace of mind for significant purchases. The transparency and expertise of these establishments make them trusted sources for fine jewelry worldwide.

Dutch Jewelry Culture and Traditions

Dutch culture values precision, craftsmanship, and honest business practices—qualities that are deeply embedded in the jewelry industry. Dutch jewelers are known for their attention to detail and commitment to quality. Whether creating traditional designs or contemporary pieces, Dutch artisans bring a sense of sophistication and elegance to their work.

The Netherlands has a strong tradition of fine jewelry making, with family-owned shops and ateliers that have been passed down through generations. These establishments pride themselves on personalized service and the ability to create custom pieces tailored to individual preferences. When measuring and fitting rings, Dutch jewelers follow precise EU standards to ensure comfort and longevity.

Dutch engagement rings typically feature clean, elegant designs that emphasize the beauty of the stone and metal. Many traditional Dutch designs incorporate subtle craftsmanship elements that distinguish them from mass-produced pieces. The emphasis on individuality and personalization means that ring sizing is treated as an art form, with jewelers taking great care to ensure perfect fit.

Understanding EU Ring Sizing

The EU ring sizing system measures the inside diameter of the ring in millimeters. Each EU size corresponds to a specific diameter measurement: EU size 16 equals 16mm inside diameter, EU size 20 equals 20mm, and so on. This straightforward numerical system eliminates confusion and provides a clear, measurable standard that jewelers worldwide can reference.

When you know your EU ring size, you have a universal measurement that applies across all European countries. This consistency is particularly valuable when purchasing rings from different retailers or countries. The EU system also makes it easy to measure existing rings that fit well—simply measure the inside diameter with a ruler or caliper to find your exact size.

EU to US Ring Size Conversion Chart

EU Size Inside Diameter (mm) US Size
15 15.0mm 4.25
17 17.0mm 6.75
19 19.0mm 9.25
20 20.0mm 10.5
21 21.0mm 11.75
22 22.0mm 13
23 23.0mm 14.25
24 24.0mm 15.5

EU to UK Ring Size Conversion

The UK uses a letter-based sizing system that is quite different from the EU numerical system. Converting between EU and UK sizes requires understanding how the two systems relate. Generally, EU size 16 corresponds to UK size H, EU size 20 to UK size N, and EU size 24 to UK size V. Our US vs UK ring sizes comparison provides detailed conversion information.

EU to Japanese Ring Size Conversion

Japan uses a numerical sizing system that differs from the EU standard, though both are based on measurements. Japanese ring sizes are often designated with a "#" symbol and typically range from #1 to #30. EU size 20 approximately corresponds to Japanese size 20 or 21. Japanese jewelers can typically convert your EU size if needed, as international jewelry standards have become increasingly interconnected.

Shopping for Rings in the Netherlands

When shopping for rings in the Netherlands, especially in Amsterdam's famous diamond district, expect exceptional service and expertise. Dutch jewelers take pride in helping customers find rings that are not only beautiful but perfectly fitted. Many shops offer free sizing services, and some provide lifetime maintenance and cleaning for rings purchased from their establishment.

If you're purchasing a ring from a Dutch retailer online, look for shops that provide comprehensive sizing information and customer support. Reputable Dutch jewelers will include detailed size conversion charts and offer easy returns or exchanges if sizing doesn't match expectations. Always verify that you have the correct EU size before making an online purchase.

For precise measurement before purchasing, consider using a ring sizer tool. You can measure an existing ring that fits well, or use the Ring Sizer app to determine your exact size. This preliminary measurement will help you communicate clearly with Dutch jewelers and ensure accurate sizing.

Custom Ring Design in Amsterdam

Amsterdam's jewelry ateliers specialize in custom ring design and creation. If you're interested in commissioning a bespoke piece, Dutch designers will work with you to create something truly unique. The process involves detailed consultations about materials, design elements, and of course, precise ring sizing to ensure the finished piece fits perfectly.

Frequently Asked Questions About Ring Sizing in the Netherlands

What ring sizing system does the Netherlands use?

The Netherlands uses the European (EU) ring sizing system exclusively. This system is based on inside diameter measurements in millimeters and is standardized across all European countries, including all Dutch jewelers and retailers.

Is the Amsterdam diamond district really the best place to buy rings?

Amsterdam's diamond district is world-renowned for quality, expertise, and exceptional craftsmanship. The jewelers there have centuries of tradition and access to premium diamonds. However, whether it's the "best" depends on your specific needs, preferences, and budget. Many excellent jewelers exist throughout the Netherlands and Europe.

How do I convert Dutch ring sizes to US sizes?

To convert EU sizes to US sizes, subtract 15.67 from the EU size. For example, EU size 20 equals approximately US size 10.5. Use our EU to US ring size converter for precise conversions and verification.

Do Dutch jewelers offer international shipping?

Many Dutch jewelry retailers, particularly those in Amsterdam, offer international shipping services. However, purchasing fine jewelry online requires caution. Ensure the retailer has a solid reputation, clear return policies, and provides detailed sizing information and certification for expensive pieces.

Can Dutch jewelers resize rings?

Yes, Dutch jewelers are skilled at resizing rings. Whether you purchase a ring locally or internationally, you can have it resized by any competent jeweler. Dutch jewelers are particularly experienced with resizing and can handle rings made of various metals and precious stones.

Related Resources for Ring Sizing

To assist you further with your ring sizing needs, explore these helpful resources:

Conclusion

The Netherlands, and Amsterdam in particular, occupies a special place in the global jewelry world. The use of the standardized EU ring sizing system makes shopping for rings straightforward and consistent, whether you're visiting Amsterdam's famous diamond district in person or purchasing from Dutch retailers online. With centuries of jewelry-making tradition and a commitment to precision and quality, Dutch jewelers are trusted sources for beautiful, well-fitted rings. By understanding the EU sizing system and knowing how to convert to other international standards, you'll be well-prepared to purchase the perfect ring, whether from Amsterdam or anywhere else in the world.

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