WGF - United Kingdom
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The World Gem Foundation is a not-for-profit organization that was formed in 2015 with the mandate to provide quality and affordable gemmological training to students, jewellers and professional gemmologists.

Currently consisting of seventeen national and regional gem academies in the United Kingdom, Holland, the U.S, Canada, Spain, Belgium, France/Monaco/Switzerland, Scandinavia (Norway, Sweden, Finland, Denmark and Iceland), Eastern Europe (Bulgaria, Croatia, Czech Republic, Hungary, Macedonia, Poland, Republic of Kosovo, Republic of Moldova, Romania, Russia, Serbia, Slovak Republic and Slovenia), East Africa (Burundi, Comoros, Djibouti, Eritrea, Ethiopia, French Southern and Antarctic Lands, Kenya, Madagascar, Malawi, Mauritius, Mayotte, Mozambique, Réunion, Rwanda, Seychelles, Somalia, Somaliland, Southern Sudan, Tanzania, Uganda, Zambia, Zimbabwe), South Central Africa (Angola, Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Republic of the Congo, Sao Tome and Principe, Botswana, Eswatini, Lesotho, Namibia, South Africa), West Africa (Ascension, Benin, Burkina Faso, Cape Verde, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, Niger, Nigeria, Saint Helena, Senegal, Sierra Leone, The Gambia, Togo, Tristan da Cunha), Central America (Mexico, Guatemala, Honduras, Nicaragua, El Salvador, Costa Rica; Belize and Panama), South America (Brazil, Argentina, Bolivia, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay, Venezuela, Guyana and Suriname), the Caribbean (Aruba, Bahamas, Barbados, Belize, Cayman Islands (U.K.), Cuba, Puerto Rico, Curaçao (Netherlands), Dominican Republic, Guyana, Haiti, Jamaica, Antigua and Barbuda, Dominica, Grenada, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Sint Maarten, Suriname, Trinidad and Tobago and Turks and Caicos), Sri Lanka and India. We plan to establish more academies around the world in 2022.

Deborah Mazza - Director of Education

Deborah Mazza

Deborah Mazza is half Italian and half British, and started her journey through the world of gemstones in Germany in 1984, where she studied at the Deutsche Gemmologische Gesellschaft attaining her gemmology and diamond diploma; she subsequently gained her FGA in 1986.

Deborah then went to work for the trade in Idar-Oberstein, buying and selling wholesale gems and diamonds, working as a gemmologist and teaching gemmology at the DGemG, this lead on to carrying out jewellery valuations for an insurance company in Germany. She later got a Bachelor in Business in Germany, and returned to the UK in 2010, where she became a tutor for the Gem-A’s online courses.

Deborah, keen to add to her knowledge, started to study again and passed the NAJ/IRV’s CAT jewellery valuation diploma, and is now studying History of Art at Goldsmiths University.

Deborah has her own valuation business and works part-time for an online auction house. She contributed several written pieces for Yavorskyy’s new book, Terra Connoisseur: Gemstones.

Eight Star Blue Diamond