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Now open ICA | GemLab India opened in Surat on 20 October 2026. Now open in Surat

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Former Analyst

Sarocha Luetrakulprawat.

Sarocha Luetrakulprawat was an analyst at ICA | GemLab, responsible for gemstone identification and for operating the laboratory's advanced analytical instruments. Sarocha graduated in Gems and Jewellery from the Faculty of Gems, Burapha University, Chanthaburi, Thailand.

The Detection of Heat Treatment in Blue Sapphire Using FTIR & Some Notes on Related Internal Features
Technical Note

The Detection of Heat Treatment in Blue Sapphire Using FTIR & Some Notes on Related Internal Features

Heat treatment is used to improve the colour and clarity of blue sapphires (Abraham,1982; Anonymous, 1917; Fryer, 1983;…

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