gia-news-research-mazu-jadeite-lucas

Report Check
Submit A Gem
LIST YOUR STORE
GIA Store
My GIA

You Might Also Like

YMAL AJP

AJP®: New 5-Day Program Offered Worldwide

Learn About NextGem

GIA NextGem™ Diamond Training for Retail

Explore GIA Laboratory Promotional Offers

Explore GIA Laboratory Promotional Offers

Shop the GIA Store

Shop the GIA Store

Gem Encyclopedia
Education
Research & News
Analysis & Grading
About GIA

GIA Instruments
Retailer Support
GIA Store
FAQs
Pressroom
GemKids Website
Alumni Collective
Quality Assurance Benchmarks for Jewelry
4Cs of Diamond Quality

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

Email Preferences
Cookie Preferences

Download the New GIA App

Follow Us

Copyrights and Trademarks
|
Privacy Notice
|
Terms of Use
|
Cookie Notice
|
Ethics and Compliance
|
Transparency in Coverage Rule
|
About This Site

© 2002 - 2026 Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. All rights reserved.

gia-news-research-mazu-jadeite-lucas