Analyses and separates diamonds from simulants, laboratory-grown and potentially HPHT treated natural diamonds.
Illustrate your way to a promising future. Learn how to take your great ideas and illustrate them just like professional designers.
GIA established the 4Cs (Cut, Clarity, Color, Carat Weight) - the global standards for evaluating diamond quality.
From the birth of modern gemmology to today, GIA has been with you for over 90 years. With research, education, and laboratory services the institute is committed to discovery and innovation. Our bright past continues to lead us into what can only be a brilliant future.
With over 3,000 employees in 11 countries, GIA offers many exciting career opportunities and the chance to serve the public good. Join our diverse and highly talented group who bring objectivity to the industry and provide the public the knowledge they need to make gem and jewellery purchases with confidence.
Join one of the world's most colorful and brilliant industries with an organisation that serves the public good by bringing knowledge and objectivity to gems and jewellery.
GIA's grading reports are respected industry-wide for their accuracy, reliability and consistency. These reports include information on the identity, quality grade, potential treatments and origin and traceability information of diamonds, pearls and colored stones. These quality assessments are made according to each stone’s internationally-recognised gemology standards, many of which were created by GIA.
GIA's gemmology and jewellery design courses are known industry-wide for their comprehensiveness and practical, hands-on approach. GIA seeks out instructors who not only bring passion and knowledge but also years of industry experience to the classroom. We’ve taught hundreds of thousands of students on campus and online, and are proud to have over 150,000 active alumni.
GIA's corporate teams promote and protect GIA, caring for employees within the organisation as well as communicating GIA’s mission and services abroad. Departments like marketing and business development present GIA’s voice and brand while ensuring that news of crucial services and educational programs reach the people who need them.
GIA leads the gem and jewellery industry in thought leadership and offers access to subject matter expertise in education, research, laboratory sciences and information technology. In its mission to protect the gem-buying public, GIA is constantly advancing in innovations such as automation in diamond grading, artificial intelligence/machine learning, cloud computing, cybersecurity and more.
GIA In India Is At The Center Of The Country’s Gem And Jewellery
Industry. A State-Of-The-Art Educational Facility, GIA In India Is
Walking Distance From The Bharat Diamond Bourse, The World's Largest
Diamond Trading Hub, And The Headquarters Of Dozens Of Leading
Corporations. GIA In India Is Also 200 Kilometers From Surat, The
World’s Diamond Cutting Center. So Opportunities All Along The Gem And
Jewellery Pipeline Await GIA Students.
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