About
Where the idea came from
Most jewelry is designed for everyone, which means it's really designed for no one. You pick from what exists, compromise on what matters, and end up with something almost right. We built Casa Fonkel to change that. We combine direct access to Antwerp's diamond market with a design tool that lets you describe exactly the piece you have in mind. Then we bring it to life through skilled goldsmiths and direct stone sourcing, with no middlemen. The result is jewelry that is genuinely yours. Not customised from a template. Yours.
Why Antwerp
Antwerp handles a significant share of the world's diamond trade. Our sourcing comes directly from that market — through a diamond specialist with over 35 years of experience on the Antwerp Diamond Bourse. That means you get access to both natural and lab-grown diamonds at prices that bypass the usual retail markups, with full transparency on what you're buying and why.
How it works
There are two ways to shop with Casa Fonkel. Browse our collection of classic pieces — designed in-house, ready to order, and made to your size on demand. These are the timeless designs we come back to again and again: solitaires, halos, tennis bracelets, pavé bands. A starting point, or the finished piece. Or start from scratch. Share your vision through our guided design tool, an inspiration photo, or simply describe what you have in mind in your own words. We review every submission personally, check feasibility and stone availability, and come back to you within one business day with a personalised visual concept. Either way, everything is made to order — sourced from Antwerp, crafted by hand, and delivered in 4–8 weeks.
Who we are
Karen, Casa Fonkel's founder, leads data and AI strategy professionally. She built Casa Fonkel around one idea: the best person to design your jewelry is you — you just need the right tools and the right people behind them. Our diamond sourcing comes directly through a specialist with over 35 years on the Antwerp Diamond Bourse.
How we meet
We work with customers across Belgium and internationally. Most consultations happen online — a video call or phone conversation, wherever you are. For customers in Belgium, we're also happy to meet in person at a location that works for you.