The American Gem Society Laboratories is the premier diamond-grading laboratory in the world. Founded 1996, the American Gem Society Laboratories was established to fulfill a need in the industry?to provide you with a protective and definitive diamond- grading document. The American Gem Society Laboratories? diamond grading reports quantify a diamond?s beauty using a 0 to 10 grading scale created for simplicity and ease-of-use.
General Masters Degree for Mineralogy, Petrology and Geochemistry. This site also contains photos of exhibits & mineral specimans and information in English from their mineralogical museum (i.e. Mineralogical Museum of the University of Hamburg). Also included is an extensive "Type Specimen Catalogue".
Gem Cutter John Baily offers natural/untreated certified gemstones, customized gem cutting, one-of-a-kind faceted gems/jewelry, and carved gemstone art. This website also has several nice articles about how a gemstone is cut/facetted and also how to discriminate a garnet from a ruby with the naked eye.
Gary Bowersox has written several articles on his ventures into Afghanistan, the Southern Russian Republics and Pakistan. Also wrote a book and made a video. A number of very interesting articles on this site about his ventures, though many date from several years or more ago.
The private website of Richard Hughes containing dozens of articles on rubies, sapphires, and the mining areas where they are found. Richard Hughes, a gemologist working at the AGTA-GTC gem lab, is considered one of the best experts in the world on rubies and sapphires.
Full Bachelor (B.A. & B.F.A) and Master degree (M.F.A) in Metalsmithing and Jewelry Design. A variety of studio design courses are offered, including jewelry design, holloware, enameling, rendering, professional practices, gemology and historical seminars. Students may choose an elective or major course of study.