Coloured Gemstones
An Introduction
Introducing the gemmological, practical and historical basics of the 'Big Three' in just two days: learn their key valuation criteria, as well as what they are, why they are so valuable, and how to assess this value. Hear the stories and history behind emeralds, rubies and sapphires, as well as their key gemmological characteristics. An invaluable introduction to anyone interested in or wishing to expand their knowledge of the main coloured gemstones. Accompanied by a Level 1 certificate of attendance.
