The Full Story
I am Anne-Sophie Dielen, a third-generation diamond trader from Antwerp, the global heart of the diamond industry. 3 years ago I started Dielen Diamonds, a company that specializes in sourcing the rarest and most exceptional diamonds for a select group of high-end clients. My unique expertise lies in the careful selection of both rare colored diamonds and large white diamonds, leveraging my unparalleled access to the world’s foremost wholesalers and cutters.

A Legacy of Excellence
Born and raised in Antwerp, the heart of the global diamond trade, I was immersed in the world of diamonds from an early age. With deep-rooted connections to the world’s largest wholesalers and cutters, she has the unique ability to curate a personalized selection of diamonds that are both exceptionally rare and of the highest caliber. My academic journey includes a master's degree from HEC Business School Paris, where she wrote her thesis on “The Future of Green Diamonds.” She further honed her knowledge with a degree from HRD Antwerp, the industry’s highest authority on diamonds and experience during an internship at the Antwerp World Diamond Center (AWDC).
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A Woman’s Touch in a Male-Dominated Industry
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As one of the few women in the world to specialize in the diamond trade, I offer a unique perspective. I am not only passionate about gemstones, but I also bring a discerning and nuanced touch to the selection of diamonds, particularly in the rare colored diamond sector. My clients trust me not only for my expertise but also for the personal and thoughtful service I provide.
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Global Expertise and Focus on Rare Diamonds
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In 2023, I moved back to Antwerp after living in Jaipur, India, where I deepened my knowledge of gemstones such as emeralds, rubies, and sapphires, while also gaining insight into the Indian diamond market. This experience has been invaluable in shaping my approach to trading and sourcing the highest-quality diamonds.
Today, Dielen Diamonds is proud to serve a prestigious clientele, including top jewelers.
My goal is clear: to be the trusted point of contact for rare and exquisite diamonds, from white diamonds of 1.50ct+ to an exclusive selection of pink, blue, and yellow diamonds. My office is based in the prestigious Diamond Square Mile, the beating heart of Antwerp’s renowned diamond district.


