Doris Hangartner AG
In Gassen 6
8001 Zurich
Switzerland
Tel: +41 44 202 10 21
Email: welcome@dorishangartner.com
Registered company name and seat
Doris Hangartner AG, Zurich
Company number
CHE-350.100.094
Managing Director
Doris Hangartner
Brand design and website
Tigers Agreement LTD | Zürich
www.tigers-agreement.com
Photography of gems and jewelry
Leo Bieber | London
www.leobieber.com