Overview

Weekly classes for everyone who wants to speak the language of gems & diamonds ! Day & Time: 06/03/2026 (FRI) 7:00-9:30PM Class location: HKCEC, Wanchai (By appointments only) Language: English Join our weekly class where we teach the Fundamentals of Gems & diamond sorting and grading ! Each of the classes have an unique content – essentially consisting of academic knowledge from the professional CDG course (certified diamond grader), but with a strong focus on practical commercial applications. Learn from our instructor – a professional HRD Antwerp – certified expert with 30 years of coaching and industry experience. Classes are conducted offline, and participants can optionally receive a course completion certificate.

What's included

Hands-on diamond and gem sorting & grading
Course materials and international grading scales
Optional certificate of completion