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.
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Difficulty
easy
Duration
1 hour
Fitness Level
Suitable for all ages and fitness levels; no physical exertion required
Wildlife
History
Royal Coster Diamonds has been pivotal in diamond cutting since the 19th century, with Dutch expertise influencing the global jewelry trade.
Conservation
The business emphasizes sustainable sourcing and environmentally responsible polishing processes, aligning with modern ethical standards.
Royal Coster Diamonds
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.
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.
Heritage
World's oldest
Historic diamond polishing factory
Location
Amsterdam, Noord-Holland
Located in Amsterdam
Diamond Stock
20,000 loose diamonds
Extensive loose and unset selection
Tours Offered
7 experiences
Guided tours, private workshops, shopping
Reserve a guided tour, engagement ring consultation, or masterclass and experience historic diamond craftsmanship in Amsterdam — spaces are limited.
Book in Advance
Reserve your spot early to ensure access to this popular tour, especially during peak seasons.
Arrive Early
Get there at least 15 minutes early to comfortably check in and settle in before the tour begins.
Respect the Artisans
Follow the guide’s instructions and be respectful of the craftsmen working behind the scenes.
Bring a Camera
Capture stunning photos of diamonds and the manufacturing process—but avoid using flash during demonstrations.
Comfortable shoes
Walking shoes are recommended for easy movement within the factory
Camera or Smartphone
Capture the intricate process and the sparkling gems
Notebook
Take notes or jot down interesting facts for jewelry or history buffs
Eyelash or binoculars (optional)
Get a closer look at craftsmanship details