DIAMOND CENTER:
Antwerp
Antwerp, Belgium is home to the most renowned diamond cutters in the world, including Grunberger Diamonds.
Although diamond cutting has developed in other countries, Antwerp maintains its reputation as a city boasting the highest quality in melee diamonds, and remains at the forefront of innovation.


Samuel Grunberger
1930s
Our company’s founder, Samuel Grunberger, establishes the foundation of what will eventually become Grunberger Diamonds.
1940s
Samuel Grunberger establishes Grunberger Diamonds in Antwerp, Belgium.
1950s
Samuel Grunberger and his son, Marcel, expand the business, hiring more than 1,000 employees.
1958
Grunberger Diamonds attends the World Diamond Expo in Brussels, Belgium and is recognized as one of the largest diamond manufacturers in the world.
Marcel Grunberger
1960s
Under the guidance of Marcel Grunberger, the company becomes the largest producer of melee diamonds. Samuel and Marcel Grunberger receive national honors in Belgium for the company’s contribution to the Belgian diamond industry.
1980
Marcel Grunberger moves the cutting and quality control facility from Belgium to Thailand.
1992
Marcel Grunberger receives an award from the Belgian king for his contribution to the small- and medium-sized company sector.
1993
Marcel Grunberger establishes a larger manufacturing facility in Vietnam.


David Grunberger
1997
Marcel Grunberger’s son, David, establishes the New York office.
2004
Grunberger Diamonds receives the prestigious King Albert II Leopold Chevalier Award from Belgium.
2009
David Grunberger and his brother, Simon, establish the Hong Kong office.
Simon Grunberger
2013
Simon Grunberger establishes Grunberger Diamonds Japan in Osaka.
2016
To celebrate 150 years of diplomatic relations between Japan and Belgium, the company presents a high-end Japanese lacquer box with Grunberger diamonds scattered through the design to the king and queen of Belgium. The one-of-a-kind box acts as a symbol of the countries’ relationship.
2017
Simon Grunberger opens a larger selling office in Tokyo.


Daniel Grunberger
2019
David Grunberger’s son Daniel, the fourth generation, joins the New York office.