This course teaches you how to identify the variants of coloured stones and analyze the factors that influence the value of a stone.
This course is designed to start in the field of gemmology. We offer you the study of theory and practice, in order to know how to use the instruments and recognize a wide range of precious stones.
The total duration of the course is 60 hours, twenty lessons of three hours.
Price of the course, CHF 1950.
This course is taught by David Arredondo, teacher responsible for gemology and precious metals courses.
A certificate is delivered following an exam. The test lasts three hours, consisting of a theoretical and practical part.