Gem Encyclopaedia
- Gem Encyclopaedia
- Gem Encyclopaedia Birthstones GIA's Gübelin Gem Project GemKids GemKids Programme Content for Educators GemKids Site
Analysis & grading
- Analysis & grading
- Analysis & Grading Home Tools Report Check Submit A Gem Return Dates GIA Facetware Open Laboratory Account Services Diamonds Coloured Diamonds Synthetic diamonds Coloured Stones Pearls
Education
- Education
- How to Learn Financial Assistance On-Campus Education Overview Admissions Campuses and Locations Distance Education Overview Admissions Lab Classes Programme Requirements Professional Development Courses Continuing Education Resources Student Consumer Information Career Paths Programmes and Certificates Alumni
Research & News
- Research & News
- Research & News Home News & Articles Gems & Gemology Journal Library
About GIA
- About GIA
- About GIA Home Events Pressroom Museum Support GIA Mission & Governance Careers at GIA Frequently asked questions Locations Contact Us

Change Language: English (UK)

Report Check Submit A Gem

LIST YOUR STORE Campus Store MyGIA

Contact Us Locations

General Questions: 1-800-421-7250

please choose a language

English (US) English (UK) 简体中文日本語

Report Check
Submit A Gem
LIST YOUR STORE
Campus Store
MyGIA

Gem Encyclopaedia
Gem Encyclopaedia Birthstones GIA's Gübelin Gem Project
- GemKids
- - GemKids Programme
- - Content for Educators
- - GemKids Site
Analysis & grading
Analysis & grading
- Tools
- - Report Check
- - Submit A Gem
- - Return Dates
- - GIA Facetware
- - Open Laboratory Account
- Services
- - Diamonds
- - Coloured Diamonds
- - Synthetic diamonds
- - Coloured Stones
- - Pearls
Education
Programmes and Certificates Education Financial Assistance
- On-Campus Education
- - Overview
- - Admissions
- - Campuses and Locations
- Distance Education
- - Overview
- - Admissions
- - Lab Classes
- - Programme Requirements
- Professional Development
- - Courses
- - Continuing Education
- Resources
- - Student Consumer Information
- - Career Paths
- - Alumni
Research & News
Research & News
About GIA
About GIA

Net price calculator

Resources For Retailers

Find a Retailer

learn more

Shop the Campus Store

Visit the campus shop

Learn More

Quality Assurance Benchmarks

Learn More

Gems & Gemology

G&G Summer 2017 Edition

Learn more

Show Caption

Close Caption

By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy.

Back to top

Gem Encyclopaedia
How to Learn
Research & News Home
Analysis & Grading Home
About GIA Home

GIA Instruments
Retailer Support
Campus Store
Frequently asked questions
Pressroom
GemKids

Student Consumer Information
Gem & Jewelry Careers
Careers at GIA
Locations
Report A Concern
Contact Us

<a href="https://www.gia.edu/subscribe">Change Preferences</a>

Change Preferences

Feedback

Feedback

Follow Us

Change Language: English (UK)

English (US)
English (UK)
简体中文
日本語

Copyrights and Trademarks
Privacy Notice
Terms of Use
Link to GIA
Ethics and Compliance
About This Site

© 2002 - Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. All rights reserved.