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Take your opal knowledge and skills to the next level. This comprehensive, richly illustrated online course encompasses opal science, gemmology, mining and processing, valuation, history, trade and industry, with coverage of opal from Australia and locations worldwide.
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A two year (equivalent) diploma course comprising of scientific study in order to identify faceted and rough gem material (gemstones).
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An intensive course comprising of Diamond Technology Theory, Practical Diamond Grading and Advanced Practical Diamond Grading.
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Overview of natural gemstones, colour, original localities, hardness.
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Overview of natural gemstones, colour, original localities, hardness.
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Man-made diamonds, Natural diamonds, and diamond simulants
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Man-made diamonds, Natural diamonds, and diamond simulants
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Learn weight estimation and visual estimation of the 4 C's as well as other features of practical diamond grading.
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Take your diamond grading to the next level and learn how to grade fancy shapes and colours and screen for synthetics.
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This informative course will cover the theory, history and identification of pearls, as well as pearl stringing on the second day.
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Learn the traditional ways of threading, including knotting and finishing, to complete your own strings using natural gem beads and cultured pearls.
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