Online lesson: History of Gemstones (SESSION 6) American freshwater natural pearls, the early days of pearl farming in Japan and elsewhere. Mass production of artificial products, including synthetic ruby, synthetic spinel, cubic zirconia, synthetic moissanite and synthetic diamond. Gemmological laboratories and their evolving challenges. The modern gem treatments and highlights on cutting styles and new popular gem varieties discovered in the 20th century, including tanzanite and tsavorite.
Oct 3, 9:00 AM or 7:00 PM (Lisbon/London timezone)
Legal information:
ALL end consumers: VAT at a 23% is added, regardless of the client’s fiscal jurisdiction.
B2B - Please contact us before you register for assistance with business accounts for tax and invoicing purposes (see above) or for large group bookings.
Businesses in the European Union (EU)*: VAT is not added for businesses with a verified VAT number (VIES). EU member states’ reverse charge rules apply).
Businesses established in Portugal: IVA at a 23% is added. NIF or NIPC is recommended for invoicing.
Video/audio recordings: Due to local privacy law, recording of the session is strictly NOT permitted.
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