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Gold $3,872.60/oz -3.2% Silver $50.12/oz -4.0% Platinum $1,526.00/oz -1.3% Palladium $993.50/oz -7.1%

Gemmology and diamonds

Gemological Institute of America (GIA)

Carlsbad, United States

Graduate Gemologist (GG) diploma; diamond, coloured stone and pearl programmes; lab classes

The Gemological Institute of America (GIA), founded in 1931 by Robert M. Shipley, is a non-profit institute for research, education and gem grading. Its Graduate Gemologist (GG) diploma is one of the best-known qualifications in the trade, and its 4Cs system and International Diamond Grading System are the trade's common language for diamond quality.

What you can study

The Graduate Gemologist diploma, Graduate Diamonds and Graduate Colored Stones diplomas, pearl courses, jewellery design and manufacturing, and short lab classes, on campus or by distance learning with lab classes.

Where

Headquarters and campus in Carlsbad, California, and campuses or education centres in New York, London, Mumbai, Surat, Bangkok, Hong Kong and Taipei, among others.

Who it suits

Anyone aiming for an internationally recognised gemmology or diamond qualification; widely asked for by employers in retail and the trade.

Programmes, fees and intake dates change: check the school's own pages before you apply.

Places and institutions, not businesses: JewelLoop does not rank, recommend or endorse anyone listed. Hours and contacts change, so check with them before you travel or apply.

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