Diamond Grading

Short Courses

PRACTICAL DIAMOND GRADINGThis short course will build on your knowledge of gemstones and, in particular, diamonds. Practical Diamond Grading (PDG)…

GAA Introductory courses

Introductory courses are designed for the beginner wanting to gain an understanding into the wonderful world of gemmology. You might…

JAA ‘endorses’ six diamond grading labs

Colin Pocklington Following recent local and international controversy about the over-grading of diamonds, The JAA National Industry Advisory Council has…

Rapaport calls for end to ‘over-grading’

Rapaport Group chairman Martin Rapaport Just one month after banning EGL International diamond grading reports on the Rapnet diamond trading…