Important Note: Vincent Pardieu is an employee of Gübelin Gem Lab Ltd (Gübelin), a gemmological laboratory based in Lucerne, Switzerland. Any views expressed on this website - and in particular any views expressed by Vincent Pardieu - are the authors' opinions and do not necessarily reflect the opinions of Gübelin. Gübelin takes no responsibility and assumes no liability for any content on this website nor is Gübelin liable for any mistakes or omissions you may encounter. Gübelin is in particular not screening, editing or monitoring the content on this website and has no possibility to remove, screen or edit any content.