Since 1989
In 1989, while running a family supermarket in Antwerp, Iakov discovered that the most valuable thing he could offer was not a product. It was a genuine human connection.

Iakov, Founder (far left) · with his three children, at MAISON IN
Chapter I
In 1989, while running a family supermarket in Antwerp, the diamond capital of the world, Iakov noticed something that would change his life. People did not come back because of the product on the shelf. They came back because of how they were treated. That simple observation became the foundation of everything that followed.
Living surrounded by diamonds, what captured his imagination was not their price. It was their meaning. A stone spends billions of years under pressure, and then it gives off light. To Iakov, that was the perfect metaphor for love, for commitment, and for the human spirit itself.
"A diamond spends a billion years under pressure, and then it gives off light. That is what I want jewelry to be. Proof that pressure can become beauty."

Chapter II
Jewelry, to Iakov, was never about materialism. It was one of the least material of luxuries: a symbol of a bond formed long ago, gifted to celebrate a bond meant to last forever.
What began at the supermarket counter became a love story. First with Nunu, his wife. Then with the generations of clients who trusted MAISON IN to mark the most important days of their lives. The name MAISON IN carries those two initials: I for Iakov, and N for Nunu, the love beside him.
Chapter III
Iakov gave without keeping score. He helped people in the community because it was the right thing to do, kept family above the business, and refused to trade in gossip. Every client was treated as family, and every piece was made with patience and honesty.
Today, his children continue his legacy at the bench and behind the counter. Every piece that leaves the atelier carries the same conviction: that the greatest luxury is time, and the greatest gift is something that lasts.
Chapter IV
A natural diamond is roughly three billion years old. It formed under pressures the surface of the earth has never seen, and rose, over eons, to a place where a person could eventually find it. To us, that patience is not a marketing line. It is the reason a natural stone belongs on a hand that has just said yes.
Lab-grown diamonds are real diamonds, and they have their place. But for the pieces we are trusted to make, the rings that mark a beginning, the stones that will one day belong to a granddaughter, we choose natural. Every one is unrepeatable, with its own quiet fingerprint of inclusions. No two are the same, just as no two marriages are.
"Your love story deserves something equally rare, and equally real."
The DNA
Every piece is designed, set and polished at our bench in the diamond district. It is never outsourced.
MAISON IN is a family workshop. The people who make your jewelry are the people who greet you.
From Iakov's first days behind the counter, the goal was never to sell. It was to listen, to help and to earn your trust.