Our Valuation Expertise

FAR EAST GEMOLOGICAL LABORATORY

Experience behind a reasoned opinion.

Established in Singapore in 1988, with a history of gemstone examination, jewellery appraisal and gemological research.

Tay Thye Sun, gemologist and founder of Far East Gemological Laboratory

Tay Thye Sun

GEMOLOGIST · FOUNDER

Tay Thye Sun graduated as a Graduate Gemologist from the Gemological Institute of America in 1980. His background includes a BSc in Geology from the University of London and postgraduate study at Imperial College, London.

He was awarded Fellowship status by the Gemmological Association of Great Britain in 2013. His work includes published gemological research and contributions to international gemological meetings.

The laboratory’s established work includes jewellery appraisal for family heirlooms and gem and jewellery matters involving solicitors.

Examination informs the valuation.

Our technical work encompasses diamonds, coloured gemstones, jade and pearls. Identification, treatment assessment, condition and relevant quality characteristics help build the item description used in the assessment.

A documented research history

The laboratory’s archive includes work on gemstone treatments, jade, pearls and other gemological topics. These materials provide a record of research and professional activity over time.

Research publications →
Field research archive →

Laboratory instruments used in gemstone examination

A CONVERSATION FIRST

Begin with the decision you need to make.

Tell us about the jewellery or collection, the purpose of the valuation and any requirements from your adviser, insurer or solicitor.