Crafting brilliance
since 1979
Commitment
to quality
We take pride in our reliable and competent service, and our commitment to delivering the finest quality. Our expertise is finely tuned, focusing on crafting high-quality diamonds polished to absolute perfection.
A legacy of exquisite craftsmanship
Gunther Willems’ entry into the diamond industry was sparked by a visit to a renowned international diamond grading laboratory alongside his mother. Inspired by the experience, he decided to venture into the world of diamonds, giving rise to Gunther Willems Diamonds. What started as a modest business swiftly evolved into a second-generation Belgian diamond company, continuing the meticulous craftsmanship and accompanying passion with the dedication of a true family business.
Today, we deliver diamonds that transcend the ordinary.
Our core values
Flexible
Controlling the entire purchase and sales process internally, allows us to flexibly respond to every client’s unique requests.
Reliable
Our fully traceable supply chain and longstanding relationships with clients and suppliers are the finest proof of our unwavering reliability.
Boundless
Driven by impeccable service and local expertise, we go beyond conventional boundaries in design, colors, shapes, dimensions, and specific calibrations.
Expert
Headquartered in Antwerp, the diamond world capital, we leverage our global network, merging scientific and technical knowledge with extensive experience and mine partnerships worldwide.
Exceptional
In our sector, Gunther Willems Diamonds is a name with distinction. We offer diamonds with certifications from renowned gemological laboratories such as GIA, HRD, GGTL, and other leading institutes.
Shaping a greener tomorrow, one gem at a time
We weave sustainability into our diamonds, embracing the latest energy-saving technologies and ethical supply-chain strategies to shape a sustainable future.