Diamond Grading Lab Class
Learn how to judge and grade clarity, colour, and cut quality factors of round brilliant diamonds.
Recognise the most common diamond features, and spend over 18 hours practising grading
GIA South Africa officially opens Feb. 21 in Johannesburg
GIA's Gems & Gemology: Winter Issue features Newest CVD Synthetic Diamonds, Zambian Tourmaline
Next GIA Alumni Event: Reinforcing Consumer Confidence in Diamond and Gold Jewellery