About Karin Castens : Karin Castens is an academic jeweller from Denmark, speaking multiple languages and sporting a Masters degree in communication and history of arts. The small company is with its Karin Castens works with free-form art nouveau inspired jewellery , boldly struggling against the minimalistic tastes of the prevalent Danish Design, while still working with its principles of user friendliness and quaity. Karin is an academic Danish jeweller, speaking multiple languages and sporting a Masters degree in communication and history of arts.free-form art nouveau inspired jewellery boldly struggling against the minimalistic tastes of the prevalent Danish Design, while still working with its principles of user friendliness and quaity.