Ringschmiede Berlin is a goldsmith studio located in the historic Atelierhaus Mengerzeile, founded by Jens Martens in 1997. The studio specializes in the creation of custom rings, particularly wedding and engagement rings. They offer a unique experience where couples and individuals can forge their own rings under professional guidance in private workshops. The team places a strong emphasis on sustainability and ethics, utilizing recycled precious metals and offering upcycling services for family heirlooms and old gold.