– Presents A selection of differing types of diamonds – responsibly sourced mined diamonds, lab produced diamonds and. Sooner or later we have been advertising lab-created emeralds for numerous pounds a carat. The next day the worth was during the $forty for each carat range” remembers the former CEO. http://claytonunaoe.blogofoto.com/28819538/the-greatest-guide-to-best-lab-grown-diamonds