GASSAN Diamond Experience Tour
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Diamond Experience Tour

Learn everything about the important 4C's: Carat, Colour, Clarity and the Cut.

Book tours for groups of up to 30 people, contact us for groups over 30 people. Bookings are only final after receiving a confirmation.

GASSAN Diamonds, is located in a beautiful restored originally steam driven diamond factory and was built in 1879. Every year more than 350.000 visitors experience a unique tour through the industrial factory.Visitors can view the diamond polishers at their craft, while multilingual guides explain where diamonds are found and how rough diamonds turn into dazzling brilliants. Loose polished diamonds are shown as well as an elaborate jewelry collection. After the tour you can see our extensive jewelry and watch collection in our Boutique. Also have a look  in our in-house Rolex Boutique.

For over 400 years diamond polishers have perfected the art of giving maximum life to the brilliant cut diamond.  At GASSAN Diamonds this tradition is being continued and we are proud to introduce a breathtaking and worldwide patented cut: GASSAN 121, with one hundred and twenty one facets.

Let a tour of GASSAN Diamonds be the sparkeling highlight of your trip to Amsterdam!

Duration: 1 hour

  • Learn more about diamonds, diamond cuts and the unique GASSAN 121
  • Tours 7 days a week, all year round from 9.00 a.m. till 5.00 p.m.
  • Personal attention for individuals and groups
  • Admire the large watch and jewelry collection with brands such as Chopard, IWC, Jaeger-LeCoultre, Longines, Omega, Choices by DL and GASSAN 121
  • Exclusive in-house Rolex Boutique
  • Flagshipstore Choices by DL
  • Free private parking
  • Fast VAT refund for non EU residents

Tour Highlights

Diamond Experience Tour

The diamond factory

Experience the craftsmanship of the diamond cutters and see the process of transforming a rough diamond into a dazzling brilliant, while a guide explains the origins of diamonds and the history of the diamond industry in Amsterdam.


In our showroom you can see loose polished diamonds in various sizes and qualities such as our ‘GASSAN 121’ cut and GASSAN’s large collection of jewelry.


GASSAN Diamonds has an atelier where jewellery is designed and settings can be adjusted

Rolex Boutique

GASSAN Diamonds is particularly proud of its Rolex Boutique, which includes a Rolex Service workshop where you can see certified watchmakers at work.

The GASSAN shopping experience

At the end of the tour you will have the opportunity to take a look at the beautifully renovated Boutique on the ground floor of GASSAN Diamonds. The Boutique offers a high-end shopping experience, including shop-in-shops where exclusive brands such as Tudor, Jaeger-LeCoultre, IWC, Chopard, TAG Heuer and Longines now have a brand shop.

Book tour

Diamond Experience Tour

Book tours for groups of up to 30 people, contact us for groups over 30 people. Bookings are only final after receiving a confirmation.