Online lesson: APPLIED GEMMOLOGY FOR JEWELLERY MAKERS & DESIGNERS (FULL WORKSHOP) Session 1, June 15 Durability and stability properties as a major criteria for gem selection. Mechanical resistance (hardness, tenacity) and thermal, chemical and light stability. Some popular examples with care requirements. Jewellery types and setting types and their gemstone damage risks during manufacturing and under normal wearing conditions. Session 2, June 17 Gemstone cuts. Challenges of different cutting styles and extreme proportions. Differences between a one-time selection of a limited or vast quantity of specific gemstones, hues, shapes or sizes versus the re-ordering for a feasible planning of gem-set jewellery collections. Session 3, June 19 Diamond classification principles in brief (the so-called 4 Cs) and their impact in market value. Criteria for selecting diamonds. Case study: the planning/budgeting of a diamond ring using different quantities and categories of diamonds. 9:00 AM or 7:00 PM (Lisbon/London timezone) Duration per session: 90 min + 15 min Q&A (270 min + 45 min in total) 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.
