The words of the gem and jewellery trade in plain English: diamonds and cutting, coloured stones, pearls, metals, making and setting, and the business side. Terms that name a part of a diamond, a ring or a pearl light up on the drawings; each links to the JewelLoop page that shows it in use.
Definitions are JewelLoop's own wording. Diamonds and cutting: GIA 4Cs, Diamond anatomy explained, and GIA's guide to polish and symmetry terms; GIA colour, clarity and fluorescence pages. Coloured stones: GIA Gem Encyclopedia; Gemology Project (LibreTexts); International Gem Society tables. Treatments: AGTA codes as published by Stuller (2018); US FTC Jewelry Guides, 16 CFR 23. Pearls: GIA Pearl quality factors; Pearl Paradise. Metals and hallmarks: UK Assay Offices; Hallmarking Convention; ISO 9202; FTC 16 CFR 23.3–23.7. Making and setting: Stuller education articles; T. McCreight, The Complete Metalsmith glossary (Metalwerx); A. Revere, Practical Stone Setting (JCK series). Trade: Kimberley Process Certification Scheme; JewelLoop pages linked from each term.
Spotted a term we should add, or a definition you would put differently? The editorial team reviews every suggestion.