Cathy Calhoun, CGA
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My Engagement
My Associates (6)
Last updated: 11/26/2019
Cathy Calhoun, CGA
Certified Gemologist Appraiser
Profile Link:
Professional Information
Calhoun Jewelers
500 Main St
19468-2306  United States
 [ Map ]
610 948-8515 (Phone)
610 792-0562 (Fax)
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Additional Information
  2019 Seattle
Graduate Gemologist GIA
Certified Gemologist Appraiser AGS
Annual Certification, Certified Gemologist Appraiser
Social/Volunteer Organizations
Board Director of Jewelers Mutual Insurance Co.
Past President of American Gem Society
Board Director of Jewelers of America
President of Spring City Elderly Housing
Board of Director of Petra Housing
More Information
Featured on PBS's Antiques Road Show, HGTV " If Walls Could Talk", Travel Channel, CNN "Your Money", Netflix Series "Amazing Interiors"
Honored with the "Robert M. Shipley Award" in 2017


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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

8881 W. Sahara Ave. Las Vegas, NV 89117 (866) 805-6500