Reference Sites

Auction Sites

Aspire Auctions, Inc. (online only)

Bonhams & Butterfields

Christies Jewelry Department Overview

William Doyle Galleries (click on Catalogues, Auction Schedule, or Specialists)

Dupuis Jewellery Auctioneers (Toronto)

Phillips Auctioneers Worldwide (click on Sales Catalogues, Online Catalogues)
(click on auction calendar, search for upcoming jewelry sales)

Skinner, Inc. Jewelry Department (click on Search for upcoming sales, prices realized)

Sotheby’s Online Jewelry Auctions

Sotheby’s Live Auctions, Collecting Departments – Jewels – Hairwork Society(collectors of jewelry made from human hair) – Info on William Spratling and his work

Educational and Informational Sites read a review of one of the largest online jeweler

Hallmarks & Patents: – for a table of published British patent numbers issued 1916-1979 for a table of U.S. issue years and patent numbers since 1836. – US Patent & Trademark Office’s searchable patents database. – The Birmingham Assay Office. – SMP Silver Salon Forum, a source for silver hallmarks and makers’ marks identification. – Online Encyclopedia of Silver Marks, Hallmarks & Maker’s Marks – The Online Encyclopedia of American Silver Marks – British Registry marks explained and decoded – An online resource of all United States patents by company and inventor/assignor with over 12,000 patents dating from 1856 through 1970. – Many pages of American makers’ marks on jewelry and silver, including arts & crafts metalsmiths and commercial manufacturers, plus an alphabetical index by name. – A resource that can help ID your hallmarks. Recently published a hallmark book.

Costume Jewelry Links and Marks: – a website for signed costume jewelry, items for sale, plus information on many costume jewelry makers, including design patents Researching Costume Jewelry – Index of Jewelry Marks (primarily American costume: names A through H only so far) – Jewelry Designer & Company Information from The Jewelry Box at Antiquing Online

Jewelry-Making and Metalsmithing Links – The Revere Academy of Jewelry Arts – The Italian Goldsmiths Art – the site for news, people and events relating to metals – the London Goldsmiths’ Company Directory, a list of contemporary British designers and craftsmen. – over 600 pages of text and graphics on jewelry and art business subjects to download free
General Jewelry Links: – an extensive list of names for gemstones which are not what they seem . . . – collector extraordinaire Derek Anastasia’s site for everything you need to know about enamel cuff links – a website for Scandinavian Modern Jewelry and Design, items for sale, plus information on many Scandinavian designers – Ganoksin Online, a substantial library of articles, publications, reports, and technical data on gem and jewelry related topics; as well as a sizable collection of art and jewelry galleries, for both the casual visitor and the professional. – All About Jewels Glossary. An extensive online dictionary of jewelry, beautifully illustrated, with crosslinked references, very useful for both fine and costume jewelry enthusiasts – Links to jewelry history and jewelry-related sites – Sparkles Reference, links to information, tips and guides on a wide variety of topics – a directory of educational links to museum sites, online articles and publications, and other resources – Handwrought metalwork from the American Arts & Crafts Movement – All About Gemstones is a diamond and colored-gemstone knowledge-base website designed to provide useful information on the subjects of gemology, contemporary jewelry design, jewelry fabrication, mining, gem-cutting history, geography, and the jewelry trade. Many useful links on every page. Antique Jewelry University is an on-line organization made up of scholars, educators, jewelry professionals and interested individuals from all over the world who share a passion for antique, estate and vintage jewels. The goal is to make available to the public, and professionals alike, an ever expanding repository of information, useful and arcane, related to the subject of period jewelry.

Jewelry Related Organizations – Gemological Institute of America – American Society of Appraisers – Ganoksin Online
The gem and jewelry world’s foremost information resource on the Internet. Open to the public, Free of charge – a substantial library of articles, publications, reports, and technical data on gem and jewelry related topics; as well as a sizable collection of art and jewelry galleries, for both the casual visitor and the professional. – The American Society of Jewelry Historians. A calendar of events can be found at the website. For further information about the Society and/or an enrollment form, please send an e-mail to, or call (914) 235-0983 – International Society of Appraisers – Society of North American Goldsmiths (SNAG) – Society of American Silversmiths – Vintage Fashion & Costume Jewelry Newsletter and Club (click on VFCJ Club) – Jewelers of America – jewelry trade industry sites – Manufacturing Jewelers and Suppliers of America- jewelry trade industry sites – The National Association of Jewelry Appraisers Institutes “Find an Appraiser” Function on Website. The annual survey of members indicated their desire to be included on the NAJA website. The member list is organized geographically by state and city and then alphabetical by members. The list includes member phone numbers as well as their NAJA designation. Definitions of the different levels of membership are easily accessed from a drop down menu. Further enhancing this new service for members, consumers can access the list from every page of the NAJA website.
Go to and click on “Find an Appraiser” for a drop-down list of states. Choose a state for a list of cities with member appraisers’ names and phone numbers. – Costume jewelry discussion group – Silver jewelry discussion group (the URL to subscribe is A Free Forum for the exchange of gemological ideas. – is an online price research database of gems and jewelry sold at auction. In-depth condition reports with gemological data by trained independent appraiser gemologists gives you support documentation to make an informed decision – a bimonthly magazine for 20th century silver jewelry enthusiasts – Jewel Chat Online Magazine Adornment, The Newsletter of Jewelry and Related Arts is a quarterly publication with articles on all periods of jewelry from ancient to modern. – Adin Jewellers, specializing in French antique and period jewelry – Sparkles antique and period fine, vintage costume jewelry – M. Schon, specializing in modern silver jewelry – The Three Graces, specializing in 18th, 19th century and earlier antique jewelry.