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Discover GASSAN's diamond polishing factory with a guided tour, champagne, and a visit to the Rolex boutique — all for just $19 in North Holland.

The See Diamonds In Style Tour offers a captivating look into the craftsmanship behind diamonds, jewelry, and watches at GASSAN, a renowned factory in North Holland. At just $19 per person and lasting around 1 hour, this tour blends education with elegance, making it a perfect choice for visitors interested in luxury jewelry and Dutch industrial heritage.
The tour guides visitors through the beautifully restored steam-driven factory, providing insights into diamond cutting, the GASSAN 121 revolutionary cut, and the four Cs — carat, color, clarity, and cut. An added highlight is the personal shopping experience in the showroom, complemented by a glass of champagne and access to the in-house Rolex Boutique. While the tour does not include diamonds for purchase, it offers a comprehensive introduction to the world of high-end jewelry.
This small group experience is guided daily at 14:00 and is accessible for visitors with wheelchair requirements. Its limited group size ensures a personalized experience, and the cost-effective price makes it an appealing option for anyone curious about the luxury diamond industry or seeking a stylish activity in Amsterdam.
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Planning more time in Amsterdam? We've covered other experiences worth considering.

The GASSAN factory resides in a landmark building that has been magnificently restored, reflecting North Holland’s industrial past. Visitors step inside to find a steam-driven workshop, where the diamond polishing process is showcased. This setting provides a tangible connection to the history of the Dutch Diamond District.
The guided tour takes about 45 minutes within the historic premises, where the guide explains diamond craftsmanship, the importance of the 4 Cs, and introduces the GASSAN 121 cut, a revolutionary approach in diamond design. The factory’s restoration emphasizes both heritage and modern innovation, making it a unique blend of history and cutting-edge techniques.
The tour starts at 14:00 daily, with visitors needing to exchange their voucher at the reception before beginning. The entrance is easy to access after walking through the car park, and the guide will meet guests at the reception to start the experience.

The guided experience involves walking through the GASSAN building while learning about diamond cutting, the revolutionary GASSAN 121 cut, and the industry’s standards like the 4 Cs. The small group size means plenty of opportunities for questions and individual attention.
After the educational segment, participants are invited to explore the showroom, where a personal shopping experience awaits. Here, jewelry and luxury watches from top brands are displayed, allowing visitors to appreciate craftsmanship and perhaps purchase. A glass of sparkling champagne accompanies this part of the experience, adding a layer of luxury.
The factory visit highlights GASSAN’s craftsmanship and industry innovation, providing a behind-the-scenes look at diamond polishing techniques that are not typically accessible to the public. While diamonds are not included in the experience, the showroom showcases a wide selection of jewelry for browsing or purchasing.

One highlight is the personal shopping experience in the GASSAN showroom, where visitors can view and purchase jewelry and watches. The champagne served during this time elevates the visit, making it feel like a luxurious break from typical factory tours.
Plus, the in-house Rolex Boutique offers a chance to see luxury timepieces from one of the most prestigious watch brands. Visitors can admire the craftsmanship behind Rolex watches, which complements the diamonds’ allure. Although the tour does not include diamonds for sale, it provides a valuable insight into the luxury jewelry industry.
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The reviews highlight two contrasting experiences. One review from Germany describes the tour as a “pure sales event,” with a short talk and showcase of diamonds and jewelry that felt more like a sales pitch. The reviewer also mentions the absence of a champagne and the limited information in German.
In contrast, a more positive review from Germany praises the personalized attention provided by Isa, describing the experience as “incredible” and “highly recommended.” Similarly, a review from Italy calls the experience “fantastic,” and another from Yvonne in Germany highlights the insight into diamond craftsmanship and the opportunity to ask questions about diamonds and jewelry.
These reviews suggest that guides’ expertise and the size of the group greatly influence the overall experience, with more personalized interactions being highly valued.

The meeting point is at the reception of the GASSAN building. Participants exchange their voucher there before the tour begins. The building is easy to access after passing through the car park, and guides greet guests at the reception.
The tour is wheelchair accessible, accommodating visitors with mobility needs. The small group size (limited to 5 participants) enhances the personalized feel, and the daily guided tour at 14:00 offers a consistent schedule.

At $19 per person, this tour offers great value considering the educational content, luxury shopping opportunity, and access to a historic factory. The 1-hour duration balances a rundown with a manageable time commitment.
The cost does not include diamonds, but the tour provides an informative and stylish introduction to diamonds and luxury jewelry. The champagne and exclusive environment make this experience feel more indulgent than its price suggests.
While the See Diamonds In Style Tour focuses on diamonds and jewelry, other activities in Amsterdam often center on cruises, cultural tours, or local workshops. The experience’s luxury element and small group setting distinguish it from more general city tours.
Similar experiences listed include boat cruises, syrup waffle workshops, and beer tastings, but none offer the combination of industrial heritage, gemstone education, and luxury shopping that GASSAN provides.

The GASSAN diamond factory tour is an affordable and informative way to explore luxury craftsmanship in the Netherlands. Its restored historic building, detailed explanation of diamond cutting, and luxury shopping make it appealing to jewelry enthusiasts and curious visitors alike.
While some reviews note the sales focus and short duration, others value the personalized guidance and insights into diamond industry innovations. The small group size ensures an engaging experience, and the availability of multiple languages broadens accessibility.
The See Diamonds In Style Tour delivers a stylish glimpse into the world of diamonds, blending history, craftsmanship, and luxury in a way that’s both educational and entertaining. It suits visitors seeking a refined activity in North Holland that combines learning with some light shopping.
Is the tour suitable for people with mobility issues?
Yes, the GASSAN building is wheelchair accessible.
How long does the tour last?
The tour lasts approximately 1 hour.
What is included in the price?
The price includes a guided tour and a glass of champagne.
Are diamonds available for purchase during the tour?
No, diamonds are not included in the tour, but visitors can browse and buy jewelry and watches in the showroom.
What languages are guides available in?
Guides are available in English, Spanish, Italian, French, German, Chinese, and Dutch.
What is the best time to join the tour?
The tour departs every day at 14:00, making it easy to plan during your visit.
Can I cancel the tour?
Yes, free cancellation is available up to 24 hours before the scheduled start.
Where do I meet for the tour?
Guests exchange their voucher at the reception of the GASSAN building before the tour begins.
Is the tour good for groups of friends or couples?
Yes, with a small group limit of 5 participants, the tour offers an intimate experience ideal for small groups.
Would this tour suit someone interested in luxury brands?
Absolutely — the in-house Rolex Boutique gives visitors a chance to view high-end watches alongside learning about diamonds.