This is an introductory sharing on selecting gem-quality rubies and sapphires for enthusiasts, collectors and traders. The aim of the course is to build confidence in quickly identifying quality factors that affect pricing.
The course will cover:
Colour grading
Cut grading
Clarity grading
Trade term conundrums and gem reports
Question and answers
Date and Time
28 Feb 2026, Saturday
10-11am
Instructor
Teo Wei Hong. Founder and laboratory director of GemRight Gemology. GIA Graduate Gemologist and GIC Dip. Jadeite. First and only awardee of AGA lifetime Accredited Senior Gemologist in Singapore. Also a trained adult educator with Advanced Certificate in Learning and Performance from Singapore’s Institute of Adulting Learning and SUSS.
Venue
1 Scotts Road, #24-05, Shaw Centre, Singapore 228208
Comfortable air-conditioned conducive classroom. Free-flow water, coffee and tea available.
Who?
Suitable for corundum enthusiasts and collectors, jewellery retail staff, gemstone traders.
This is an introductory sharing on selecting gem-quality rubies and sapphires for enthusiasts, collectors and traders. The aim of the course is to build confidence in quickly identifying quality factors that affect pricing.
The course will cover:
Colour grading
Cut grading
Clarity grading
Trade term conundrums and gem reports
Question and answers
Date and Time
28 Feb 2026, Saturday
10-11am
Instructor
Teo Wei Hong. Founder and laboratory director of GemRight Gemology. GIA Graduate Gemologist and GIC Dip. Jadeite. First and only awardee of AGA lifetime Accredited Senior Gemologist in Singapore. Also a trained adult educator with Advanced Certificate in Learning and Performance from Singapore’s Institute of Adulting Learning and SUSS.
Venue
1 Scotts Road, #24-05, Shaw Centre, Singapore 228208
Comfortable air-conditioned conducive classroom. Free-flow water, coffee and tea available.
Who?
Suitable for corundum enthusiasts and collectors, jewellery retail staff, gemstone traders.
