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.
Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days.
Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days.
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.
Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days.
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.
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.
Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days.
The Gübelin Practice Days give students the perfect chance to dive even deeper into the inner beauty of coloured gemstones, by looking at a great selection of stones (emerald, ruby, sapphire) from our reference collection and using the microscope to observe their marvellous and exciting inner features.
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.
Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days.
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.
Through our unique gemstone reference collection and detailed image archive, learn how to handle, study and assess emeralds, rubies and sapphires over five days.
