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.