An eBook: Identifying laboratory-grown diamonds by The Gem Academy.
 
This guide covers The Gem Academy's 7-step guide to identification methodology.
 
This 67-page digital download covers key steps to ensure no stones are misidentified. Covering observation, screen tests, UV reactions and crossed-polarised filters (CPF). 
 
Designed as a supplement to The Gem Academy's popular practical workshop.
 
This download is non-printable.