LEading Gemological Education in singapore

Small Class Size, Updated Content, pedagogically sound

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Identifying and Grading Rubies and Sapphires -15, 22, 29 Aug 2026
SGD 900.00
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Choosing Quality Rubies and Sapphires - 25 July 2026
SGD 103.00
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Choosing Diamonds and Engagement Rings - 27 June 2026
SGD 103.00

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