Cincinnati Guild Meeting
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When: Wednesday, October 11, 2017
6:30 PM
Where: Cowans Auction House
6270 Este Avenue
Cincinnati, Ohio  45232
United States
Presenter: David C.Y. Leung
Contact: Kara Huddleston, CGA

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6:30 p.m. Doors Open
7:00 p.m. Presentation Begins

$25 online
$30 at the door


By October 9 to


The Cincinnati Guild Presents
"Jade" by David C.Y. Leung

Presented in partnership with GIA Alumni Association.

David C.Y. Leung is an expert in antque jade carving and period jewelry. He is devoted to exploring the role of jade in Chinese culture and detecting the fundamental differences in jade enhancements.

Leung's presentaton will discuss:

  • Jade carving, finishing and identification including various treatments and enhancements
  • How to determine if a piece of jade is antique or more modern
  • Practical advice for retail sales of jade jewelry, carvings and pieces

This lecture will help you identify and evaluate jade quality. Be sure to bring your jade pieces and a loupe for the hands-on segment of the lecture. Leung will also have specimens available to view.

About the Speaker

Leung lives in Hawaii, and designs corporate gifts, country club sports tournament awards, and custom-made fine jewelry. He is a certified appraiser of the International Society of Appraisers (ISA), a member of the National Association of Jewelry Appraisers (NAJA) and the Hawaii Jewelers Association.


Mission Statement

The American Gem Society (AGS) is a nonprofit trade association of fine jewelry professionals dedicated to setting, maintaining and promoting the highest standards of ethical conduct and professional behavior through education, accreditation, recertification of its membership, gemological standards, and gemological research.

The Society is committed to providing educational products to inform and protect the consumer and to contributing to the betterment of the trade by creating industry standards to protect the jewelry-buying public and the fine jewelry industry as a whole.

AGS Laboratories, founded to support the AGS mission, is a nonprofit diamond grading laboratory with a mission of consumer protection. Adhering to the AGS Diamond Grading Standards, AGS Laboratories is dedicated to offering diamond grading reports that provide consistency and accuracy based on science.

American Gem Society