We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.
Want the lowest hotel prices? You're in the right place. We check 200+ sites for you.

Gassan Diamonds Tour

Plantage & the East
Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
Get directions
Address: Nieuwe Uilenburgerstraat 173-175, 1011 LN Amsterdam, The Netherlands
Phone Number:
+31 20 622 5333
09:00 - 17:00
Closed now
See all hours
Sun - Sat 09:00 - 17:00
Recommended length of visit: <1 hour

Experience the brilliance of diamonds at Gassan Diamonds! The Amsterdam...

Experience the brilliance of diamonds at Gassan Diamonds! The Amsterdam diamond company Gassan Diamonds is located in a former steam-driven diamond factory. A historic building, where you can watch our diamond cutters at work while a guide tells you all about diamond processing. Experience the thrill of the diamond polishing process at Gassan Diamonds. Admire the work of talented craftsmen as they turn rough diamonds into dazzling, exquisitely polished stones. Watch the process in all its facets. Experience the excitement of over 400 years of craftsmanship and tradition. And of course, we also sell the world-famous 'Amsterdam Cut'.

read more
Book In Advance
More Info
and up
Skip the Line: Amsterdam and Holland Pass
Why book on Viator?
  • Tour highlights & full itinerary
  • Easy online booking
  • Lowest price guaranteed
More Information ›

TripAdvisor Reviewer Highlights

Read all 565 reviews
Visitor rating
  • 77
  • 121
    Very good
  • 91
  • 29
  • 32
Nice because it's for free

We did the free tourist tour, which takes about 10 minutes and then changes to a sales pitch (which was not uncomfortable given the fact that you get to look at 100.000... read more

3 of 5 bubblesReviewed 5 days ago
Michael H
Graz, Austria

Similar Things to Do in Amsterdam

Add Photo Write a Review

565 Reviews from our TripAdvisor Community

Traveller rating
Traveller type
Time of year
  • More
Showing 350: English reviews
Graz, Austria
Level Contributor
39 reviews
7 attraction reviews
common_n_attraction_reviews_1bd8 8 helpful votes
3 of 5 bubbles Reviewed 5 days ago NEW

We did the free tourist tour, which takes about 10 minutes and then changes to a sales pitch (which was not uncomfortable given the fact that you get to look at 100.000 € diamonds...). The tour could have been a bit longer but given that it's for free it was really good. If you're in the vicinity, it's definitely worth... More 

Thank Michael H
Whitehaven, United Kingdom
Level Contributor
62 reviews
20 attraction reviews
common_n_attraction_reviews_1bd8 13 helpful votes
4 of 5 bubbles Reviewed 1 week ago

Went here as it was a stop on the HoHo boat. It was a really informative experience. Obviously, the company wanted to promote itself but it was done in a non pushy way. I learned quite a lot about how diamonds are cut and their imperfections, how this affects price etc. Yeah, quite good

Kent, United Kingdom
Level Contributor
4 reviews
common_n_attraction_reviews_1bd8 5 helpful votes
4 of 5 bubbles Reviewed 1 week ago

A free, short and sweet tour with an informative guide. No hard sell at the end although there is the option to buy should you have the urge.

1 Thank Wendy V
Level Contributor
34 reviews
10 attraction reviews
common_n_attraction_reviews_1bd8 11 helpful votes
3 of 5 bubbles Reviewed 1 week ago via mobile

We visited this diamond company as it is stop No.5 on the Amsterdam City bus tour, it's basically a chance for the company to promote its products by offering a 'free' informative tour of their premises, they have shops onsite if you would like to part with your money, you may need to take out a 2nd mortgage to buy... More 

Thank Richard E
Level Contributor
5 reviews
4 attraction reviews
5 of 5 bubbles Reviewed 1 week ago via mobile

Never really appreciated the beauty of diamonds but do now. Free entry and tour and opportunity view the process of producing such magnificent gems and the end products worth thousands of pounds. Very interesting and awakened a love of diamonds.

Thank DebMist
Knighton, United Kingdom
Level Contributor
68 reviews
29 attraction reviews
common_n_attraction_reviews_1bd8 16 helpful votes
5 of 5 bubbles Reviewed 2 weeks ago

Interesting Tour which is free for anyone travelling on the city hop-on-hop-off canal or bus tours. (red buses and canals) The diamonds are really beautiful and it is interesting to see them being cut.

Thank Louise M
Chester, United Kingdom
Level Contributor
80 reviews
16 attraction reviews
common_n_attraction_reviews_1bd8 47 helpful votes
4 of 5 bubbles Reviewed 3 weeks ago

Although it would have been good to have heard more about the origins of the diamonds it was fascinating to see and learn of the different shapes and cuts of diamonds sold. Not a long tour but to see up close diamonds and jewellry worth thousands of pounds was fascinating and certainly a one off experience for me!

Thank millertower
Alicante, Spain
Level Contributor
13 reviews
8 attraction reviews
common_n_attraction_reviews_1bd8 1 helpful vote
5 of 5 bubbles Reviewed 4 weeks ago via mobile

.. and a very good investment for the gents. Excellent tour delivered by Alejandro (sorry if I have misspelt your name); very informative with the opportunity to see some very beautiful stones and even buy one or two - if only!

Thank Lndvs
Level Contributor
49 reviews
31 attraction reviews
common_n_attraction_reviews_1bd8 11 helpful votes
4 of 5 bubbles Reviewed 4 weeks ago via mobile

Didn't know about this until we were on the hop on hop off bus. Tour lasted about 30 mins and was very interesting. Got to see people cutting diamonds. Very informative and was worth the visit. Didn't buy anything here though !

Thank Moira S
Level Contributor
26 reviews
9 attraction reviews
common_n_attraction_reviews_1bd8 6 helpful votes
3 of 5 bubbles Reviewed 5 weeks ago

We were welcomed on the tour by a guide who described for 5 minutes about where diamonds are mined and the process in which they are turned into what we see in the jewellery. After that it turned into the 'let's try and sell you something' part. We were sat in a room and shown several different products and although... More 

2 Thank Danny W

Travellers who viewed Gassan Diamonds Tour also viewed

Amsterdam, North Holland Province
Amsterdam, North Holland Province
Amsterdam, North Holland Province
Amsterdam, North Holland Province

Been to Gassan Diamonds Tour? Share your experiences!

Write a Review Add Photos & Videos

Is This Your TripAdvisor Listing?

Own or manage this property? Claim your listing for free to respond to reviews, update your profile and much more.

Claim Your Listing

Questions & Answers

Here's what previous visitors have asked, with answers from representatives of Gassan Diamonds Tour and other visitors
4 questions
Ask a question

See all questions (4)

Questions? Get answers from Gassan Diamonds Tour staff and past visitors.
Posting guidelines
Typical questions asked:
  • Will you pick up and drop off at my hotel?
  • I have a family of 7. Can your tour accommodate all of us together?
  • How should I dress for this tour?

Staying in Plantage & the East

Neighbourhood Profile
Plantage & the East
The eastern edge of central Amsterdam provides visitors with the chance to imagine the city that Rembrandt called home (and to tour his historic house) while shopping like the thriftiest of locals at Waterlooplein’s massive flea market, or even enjoying a craft beer beside the tallest wooden windmill in The Netherlands. This verdant, serene, and stately part of town is home to Artis Royal Zoo, one of Europe’s oldest (and still best kept) zoos, and Hortus Botanicus, one of the oldest botanical gardens in the world. It's also an ideal setting for the Dutch outpost of St Petersburg’s Hermitage.
Explore this neighbourhood