We guarantee the authenticity of our jewellery and watches. Maison Miller is part of two large chambers of experts:
- The National Chamber of Experts specialising in Works of Art http://expertscnes.fr
- The National Chamber of Experts in Watchmaking, Jewellery, Gold and Silversmiths Trade and Precious Stones
Our craftsmen and women are also all qualified gemologists with GIA, ING or FEEG diplomas.