Deal announcement: ROSY BLUE ENTREPRISES S.A.

We are pleased to announce that Altenburger assisted Rosy Blue, a globally recognized and leading player in the diamond industry, in the legal aspects of the acquisition of a majority stake in Diatheke, a company committed to excellence, traceability, and sustainability in the Luxury Jewellery and Horlogerie sector.

This strategic transaction marks an important milestone for Rosy Blue, strengthening its presence and long-term engagement in responsible value chains. Combining Diatheke’s specialized know-how with Rosy Blue’s global expertise opens new opportunities to serve the most demanding clients in the industry with rigor and purpose.

We are proud to have contributed to the successful completion of this strategic transaction and extend our congratulations to Rosy Blue and Diatheke on reaching this key milestone.

The Altenburger team was led by our Partner Manuel Moor (Corporate/M&A) with the support of Marina Péray and Jason Mischol (Associates).