Upcoming Courses

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.  Learn more

Continuing in the modular fast-track format, delve into the details of the physical, chemical and optical properties of the 'Big Three' in five days.  Learn more

Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days. Learn more

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.  Learn more

Continuing in the modular fast-track format, delve into the details of the physical, chemical and optical properties of the 'Big Three' in five days.  Learn more

Introducing the gemmological, practical and historical basics of the 'Big Three' in just four half-days: learn their key valuation criteria, as well as what they are, why they are so valuable, and how to assess this value.  Learn more

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.  Learn more

Continuing in the modular fast-track format, delve into the details of the physical, chemical and optical properties of the 'Big Three' in five days.  Learn more

Introducing the gemmological, practical and historical basics of the 'Big Three' in just four half-days: learn their key valuation criteria, as well as what they are, why they are so valuable, and how to assess this value.  Learn more

Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days. Learn more

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.  Learn more

Continuing in the modular fast-track format, delve into the details of the physical, chemical and optical properties of the 'Big Three' in five days.  Learn more

Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days. Learn more

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.  Learn more

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.  Learn more

Continuing in the modular fast-track format, delve into the details of the physical, chemical and optical properties of the 'Big Three' in five days.  Learn more

Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days. Learn more

Introducing the gemmological, practical and historical basics of the 'Big Three' in just four half-days: learn their key valuation criteria, as well as what they are, why they are so valuable, and how to assess this value.  Learn more

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.  Learn more

Continuing in the modular fast-track format, delve into the details of the physical, chemical and optical properties of the 'Big Three' in five days.  Learn more

Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days. Learn more