Tour of the oldest diamond polishing factory in Amsterdam

A stone's throw from the Rijksmuseum, step inside the oldest diamond polishing factory in the world still in operation and experience 185 years of craftsmanship at Royal Coster Diamonds.

During this 30-minute guided tour, discover how rough diamonds are transformed into dazzling masterpieces and watch real diamond polishers and goldsmiths at work.

Learn all about the 4 Cs of diamond grading: Cut, Color, Clarity and Carat, and discover how each factor determines a diamond's quality and value.

Along the way, you will discover the stories behind some of the world's most famous diamonds. Admire the replica of the legendary Koh-i-Noor, the replica of the Cullinan, the largest gem-quality rough diamond ever found and get acquainted with the Royal 201, known as the most brilliant diamond in the world.

Experience the atmosphere of a factory where craftsmanship has been passed down from generation to generation since 1840, and enjoy one of Amsterdam's most unique cultural experiences at Museumplein.

Highlights:

• Learn more about the origins and shapes of diamonds
• Watch a live diamond-cutting demonstration
• See the largest collection of diamonds outside Antwerp
• Get acquainted with the Royal 201 diamond
• Admire remarkable diamond artefacts such as the Koh-i-Noor and Cullinan

Getting there

Consult Google Maps for the exact route from your departure point and current departure and travel times. 

For more information, visit the website of Diamond Experience.