The following is a Guest Memo from Thierry Silber, the CEO and founder of Diamaz International and Madestones.
(idexonline.com) - I'm a third generation diamond trader, working in the industry since 1978 and selling laboratory grown diamonds since 2009 with full disclosure. The mixing of small laboratory grown diamonds into natural melee parcels is a reality and it looks to me to be an issue that is very difficult to tackle. I think the solution to avoiding diamond mixing might be actually a very simple one.
