Luigi and Sergio Cosma
Since 1926 · First and second generation
Luigi and Sergio Cosma
In 1926 Luigi Cosma founded the family firm and, in the same year, was among the traders who founded the Borsa Diamanti d'Italia, the Italian diamond bourse, in Milan. His son Sergio led the firm for some forty years.
at work
Since 1997 · Third generation
Luigi Cosma
The founder's grandson, he has led the family firm since 1997 and sits on the Board of Directors of the Milan bourse, of which he became Vice President in 2011.
A member of the Borsa Diamanti d'Italia and of the Beurs voor Diamanthandel in Antwerp since 1989, he joined the Collegio Italiano Gemmologi in 1991, earned the HRD diamond diploma in 1994 and, in 2008, the rough diamond diploma at the Henry Oppenheimer Diamond Training School in Johannesburg.
of Luigi Cosma
2026 · One hundred years
Today
Since 2017 Luigi Cosma has been President of the Borsa Diamanti d'Italia, a member of the World Federation of Diamond Bourses since 1954. Since 2024 he has sat on the WFDB Executive Committee. He is an IGI gemologist and a registered appraiser and expert of the Verona Chamber of Commerce, no. 291.
Contact
Verona
Cosma Diamonds S.r.l.
Via S. Maria Rocca Maggiore 12, 37129 Verona