An introductory summary course tailored specifically for consumers, colored gemstone buyers and gemstone lovers to explore the full picture of the world of sapphire.

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Chapter One  Sapphire History and Lore

Chapter Two  Sapphire Origin and Mining

Chapter Three  Sapphire Market and Trading Center

Chapter Four  Sapphire Cut

Chapter Five  Sapphire Quality Evaluation

Chapter Six  Star Sapphire

Chapter Seven  Sapphire Treatment

Chapter Eight  Sapphire Synthetic and Imitation

Chapter Nine  Sapphire Report Interpretation

Online-teaching, you can choose to have your courses any places at your convenience

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