Guided tours, private ring design, masterclasses and tax-free shopping at the world’s oldest diamond polishing factory in Amsterdam.
From engagement ring design to hands-on polishing workshops — choose a private or group experience tailored to diamond lovers.
jewelry-making · Amsterdam
Discover the art of diamond crafting at Royal Coster Diamonds in Amsterdam. Create a custom engagement ring with expert guidance and a champagne toast—an unforgettable experience in the city’s heart.
Royal Coster Diamonds is the world's oldest diamond polishing factory, located in Amsterdam, Noord-Holland. The business operates a museum, showroom and live workshops where visitors can observe master craftsmen polishing and setting diamonds. Royal Coster offers a range of guided experiences, from free factory tours to private, curated sessions like the Royal Engagement Experience and the Diamond Masterclass.
Visitors can view historically significant displays including a replica of the Koh-i-Noor and the Royal 201 cut, as well as an extensive collection of loose and unset diamonds. The Luxury Shopping Experience highlights a showroom with a reported 20,000 loose diamonds and options for custom design, while several tours include tax-free shopping for eligible purchases. Group and private formats are available, including short guided tours and multi-hour practical workshops taught by an experienced polisher.
Royal Coster’s combination of live demonstrations, a diamond museum and hands-on opportunities provides both educational value and direct access to diamond sales and bespoke design. The business emphasizes craftsmanship, transparency in diamond valuation, and a curated visitor experience. For travelers and buyers seeking a historically rooted insight into diamond polishing and design in Amsterdam, Royal Coster Diamonds offers credible tours, private consultations, and unique experiences that showcase centuries of diamond expertise.
“Every outing is organized with local river knowledge, basic safety instruction, and equipment checks before departure.”
Historic diamond polishing factory
Located in Amsterdam
Extensive loose and unset selection
Guided tours, private workshops, shopping
Open the individual experience guide to confirm current availability, pricing, policies, conditions, and inclusions before booking.
The operator provides clear meeting points, departure times, and destination coordinates for all outings.
Personal flotation devices, emergency protocols, equipment checks, and paddling orientations are provided before departure.
Recommended layering, water shoes, sunscreen, and dry bags are detailed in each experience guide.
Guides share rich knowledge of regional flora, fauna, scenic landmarks, and river navigation.
A glimpse into the experiences, natural landscapes, and adventures waiting on your next trip.
Images supplied on the current Royal Coster Diamonds listing.
Royal Coster Diamonds offers a variety of guided outdoor excursions, scenic routes, rentals, and custom itineraries tailored for families, couples, and adventure enthusiasts.
Yes. Most trips feature comprehensive safety orientations, equipment fittings, and calm routes suited for first-time adventurers. Check the details on individual experience guides for specific age and skill requirements.
Standard safety equipment (such as certified life vests and essential gear) is supplied for each booking. Detailed checklists regarding weather-appropriate attire and personal items are provided prior to departure.
Reserve a guided tour, engagement ring consultation, or masterclass and experience historic diamond craftsmanship in Amsterdam — spaces are limited.
shopping · Amsterdam
Discover the ultimate luxury jewelry shopping at Royal Coster Diamonds in Amsterdam. This exclusive experience combines history, craftsmanship, and personalized service for jewelry enthusiasts.
others · Amsterdam
Discover the world’s oldest diamond polishing factory in Amsterdam with a guided tour at Royal Coster Diamonds. Witness master craftsmanship and enjoy tax-free shopping in this unique experience.
jewelry · Amsterdam
Discover the art of diamond crafting at Royal Coster Diamonds in Amsterdam with a free 30-minute guided tour. See expert craftsmanship and enjoy tax-free shopping—an unmissable experience for jewelry lovers.
jewelry · Amsterdam
Discover the art of diamond crafting at Royal Coster Diamonds in Amsterdam. Witness master artisans, view iconic gems, and gain unique insights into this sparkling craft.
others · Amsterdam
Step inside the world’s oldest diamond polishing factory with Royal Coster Diamonds in Amsterdam. Discover the Royal 201 diamond, a Koh-i-Noor replica, and end your visit with a sparkling gift.
others · Amsterdam
Step into the world of diamond artistry with a 4-hour expert-led polishing workshop in Amsterdam. Learn the craft, polish your own diamond, and take home a one-of-a-kind gem and jewelry piece.
Click into any experience card above to view current dates, live availability, transparent pricing, cancellation policies, and booking details.