See the art of diamond cutting

Experience why we are the creators of beauty for centuries

Learn about diamonds

If you are serious about the girl, you have to know her best friend.

Engagement & wedding rings

The finest selection of diamond engagement and wedding rings

diamond jewelry

Diamond jewelry, Diamond wedding Rings & More

Coster Diamonds is the oldest, still operating diamond factory in Europe. Located in the heart of Amsterdam at the Museum Square between the Rijksmuseum and the Van Gogh museum, our diamond cutters and goldsmiths have crafted the most precious jewelry in the world. Learn more about our legendary history or view our jewelry

Book a free, guided tour

Learn about 175 years of diamond craftsmanship and book a free guided tour in your own language.

Visit our engagement corner

handmade engagement rings

Let our diamond consultant Pamela de Jong help you find the perfect engagement ring or wedding band.

Personal Jewelry Advice

Our diamond consultants can give you
personal advice to select the perfect jewelry
to match your personality and personal

The largest selection of diamonds and jewelry. You name it, we have it!

We know diamonds. We know gold and we know how to create the most stunning jewelry. Our selection of diamond jewelry is one of the most broad available and our diamond consultants make sure that you select the item that brings out the beauty in you. We can even make a custom jewelry diamond ring, necklace, bracelet or pendant to your own special requirements or wishes. Browse our diamond jewelry collection here or contact our diamond consultants here to find the perfect jewel for you.

Free guided tours

Our expert guides give you a free tour of our premises and educate you on diamonds while showing you how the most stunning jewelry is created by our diamond cutters and goldsmiths. The best part is that they do this in your own language! From the famous Koh-I-Nor, created for the royal house of England, to the explanation on the 4 C’s to determine the value of a diamond, you will be educated in entertaining and surprising manner. See the tours we offer or book a visit now.

Engagement section

When you are going to propose to your loved one, you will want to purchase a diamond ring that matches the personality of your sweetheart and will show the love you have for the rest of your lifes. This symbol of everlasting love and affection is not something you choose easily. That’s why Coster Diamonds has a special service for you where our engagement consultant will show you all the options and help you choose the best ring for the rest of your lives. This is such a popular service we often also help arrange the moment of proposal and make sure your stay in Amsterdam is taken care of in the best way possible. We make sure the rest of your lives start in the most beautiful way possible. Go to our engagement section or contact our Engagement consultant here.

Direct from the mines

The process from the mine to the customer is often a long one. With many companies in between, all trying to make a tiny profit. This all adds up to the final price of the jewel when you purchase it. At Coster Diamonds we are much more efficient since we have our own diamond polishers and goldsmiths and we make most of the diamond jewelry right here. You can even watch while create them! We have doing this for almost 175 years and you can see our creations around the fingers, wrists and necks of the most renowned people around the world, including royalty. Our prices are fair and our craftsmanship is unique. If you are looking for a piece of jewelry that lasts generations, visit us or see our diamond jewelry

Amsterdam, City of Diamonds

Going on a trip to Amsterdam? Combine a visit to our wonderful city with a trip to Coster Diamonds. Here you see how diamonds are an important part of the development of Amsterdam and what role Coster Diamonds had in the last 175 years. When you are done and have some time left, you can get a fastpass to avoid the long ticketline for the famous Rijksmuseum or the Van Gogh Museum in our last building at ViaTravel. They can arrange the most wonderful trips to make sure you get the most out of your stay here. Book a tour to Coster Diamonds here or visit the website of ViaTravel

Visit the diamond museum

One of our four buildings located in the heart of Amsterdam, City of Diamonds holds the famous Diamond Museum Amsterdam.There we take you on a journey that began 3 billion years ago, 200 kilometres under the surface of the earth. The journey ends with the beautiful cut diamonds and the Amsterdam Diamond Museum. Come visit and learn more about Amsterdam’s roles as an important diamond centre for more than four centuries. Brilliant beauties Along the way you will find out about the carbon atom, meet specialists who transform a rough stone into a sparkling jewel and see the smallest brilliant diamond in the world! You’ll learn how to distinguish between real and an imitation diamonds and admire the collection of sparkling jewels on display. Visit the website of the Diamond Museum or book a tour at Coster Diamonds that includes a visit to the Diamond Museum Amsterdam.