Tag: IGI
IGI related articles
2 articles
Certification Explained
IGI And NGTC Explained: Lab Diamonds And China National Check
GIA, IGI and NGTC differ why? Why do lab diamonds rely on IGI? This guide reads the IGI and NGTC reports you will actual...
Gemstone Knowledge
Is Lab-Grown Diamond Real Diamond? Everything You Need To Know
Is lab-grown diamond real? Can it be spotted? Why does IGI grade it? This guide covers HPHT vs CVD, the price gap, resal...