This course takes a more practical look at the identification of gemstones based on colour and transparency. Each colour grouping is further divided into gemstones (natural and lab-created) based on their optical character and sign with a separate lesson devoted to gemstones that exhibit optical phenomena or are unusual in appearance.

Available in English / Spanish
Online Tutoring: 2 Hours
Course Cost: € 247.50 including VAT

Upon completion of this course, students will have a comprehensive understanding of the chemical nature of diamonds, how they are formed, classified (colourless and fancy coloured), mined, processed and cut, the unique properties that allow them to be separated from other colourless gemstones, and how they are graded.

Available in English / Spanish
Online Tutoring: 2 Hours
Course Cost: € 247.50 including VAT

This course focuses on the 26 most common groups, species and varieties of coloured gemstones giving a complete overview of their physical and optical properties, how they are mined and cut, their unique identifying features, and the various systems currently used to grade them.

Available in English / Spanish
Online Tutoring: 5 Hours
Course Cost: € 550 includes VAT

This course consists of five modules (78 lessons) and includes all the material covered in Basic Gemmology, Advanced Gemmology, Gem Identification, Diamonds and Coloured Gemstones.

Available in English / Spanish
Online Tutoring: 14 Hours
Course Cost: € 1540 includes VAT