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General Interest | Understanding Diamond Imitations | Toronto | September 12 and 13, 2026 | 9:30am-3:00pm This 10-hour (2 day)course will help the student to recognize the physical and optical properties of diamonds and diamond imitations. Gemmological instruments are used to distinguish between imitations of diamonds such as cubic zirconia, synthetic moissanite, Zircon and synthetic […]
General Interest | Understanding Diamond Imitations | Toronto | November 21 and 22, 2026 | 9:30am-3:00pm This 10-hour (2 day)course will help the student to recognize the physical and optical properties of diamonds and diamond imitations. Gemmological instruments are used to distinguish between imitations of diamonds such as cubic zirconia, synthetic moissanite, Zircon and synthetic […]