23 Sep

Neighbors Day 2023; GASSAN cordially invites neighbors!


Neighbors are cordially invited to GASSAN Diamonds during Neighborhood Day 2023 for a free tour of the iconic GASSAN building.

Dear local residents,

Have you always wanted to know what lies behind the glittering facade of the iconic GASSAN building? On September 23 at 3:00 PM, we cordially invite you to take part in an extraordinary journey through time, while enjoying delicious old Dutch delicacies and refreshing drinks.

GASSAN opens the doors of the historic diamond factory especially for you, where our experienced guide takes you along the highlights of our breathtaking building. From the fascinating history of diamond polishing to the unparalleled success story of GASSAN, you will be amazed by the rich heritage that lives here. During the tour you will also have the chance to explore the Boutique and admire the various shop-in-shops of our own brands.

To reserve your tour as neighbor, please email We would like to ask you to provide the following information:

  • Name of the tour: Historical Tour De Plantage
  • your name
  • Number of people you bring
  • Your phone number

Don’t miss this opportunity to experience the history of GASSAN up close and enjoy an unforgettable afternoon.

For a preview, click here to watch the fascinating video in which Debora Huisman-Leeser, the great-granddaughter of Samuel Gassan, talks to her grandmother.

We look forward to welcoming you at GASSAN, Nieuwe Uilenburgerstraat 173 – 175.